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rădĭans, antis, v. radio, II. B.

* rădĭātĭlis, e, adj. [radio], emitting rays, radiant: umbra, Ven. Fort. 2, 286.

rădĭātĭo, ōnis, f. [radio], a glittering, shining, a beamy lustre, radiation (postAug.): marmoris, Plin. 36, 5, 4, § 32: stellarum, Jul. Firm. Math. 1, 4.
Plur., Arn. 6, 208.

rădĭātus, a, um, v. radio, II. A.

rādīcālis, e, adj. [radix], having roots (post-class.), Aug. c. Faust. 13, 12.

rādīcātus, a, um, v. radicor.

* rādīcesco, ĕre, v. inch. [radix], to take root, Sen. Ep. 86 fin.

rādīcĭtus, adv. [radix], with the roots, by the roots (class.).

  1. I. Lit.: effodere herbas malas, Cato, R. R. 50: concidere rosetum, Varr. R. R. 1, 35, 1; Cat. 64, 288: evellere arborem, Suet. Vesp. 5: eximere, Col. 4, 33, 4: interire, id. 6, 3, 1: auferre ungues, Prop. 3, 7 (4, 6), 51 al.
  2. II. Trop., by the roots, i. e. utterly, completely, radically: radicitus tollere atque extrahere cupiditatem, Cic. Fin. 2, 9, 27; cf.: extrahere religionem ex animis hominum, id. N. D. 1, 43, 121: excutere opinionem alicui, id. Tusc. 1, 46, 111: omnia malefacta vostra repperi radicitus, thoroughly, Plaut. Most. 5, 1, 62.

rādīco, āvi, 1, v. n., and rādīcor, ātus, 1, v. dep. n. [id.], to strike root, take root (post-Aug.).

  1. I. Lit.
      1. 1. Form radico, Cassiod. H. E. 2, 6.
      2. 2. Form radicor: mergi facile radicantur, Col. 4, 2, 2; Plin. 13, 4, 8, § 36; 18, 7, 10, § 51 al.
        Hence, rādīcātus, a, um, having roots: semina, Col. Arb. 20 fin.; Pall. Febr. 10, 1; 18, 1; 19, 2 al.
  2. II. Trop.: et radicavi in populo honorificato (i. e. ego sapientia), have found a home, struck root, Vulg. Ecclus. 24, 16: in caritate radicati et fundati, id. Eph. 3, 17. —rādīcātus, a, um, rooted, Sid. Ep. 5, 10 fin.

* rādīcōsus, a, um, adj. [radix], full of roots, having many roots: bracchia hederarum, Plin. 16, 34, 62, § 151.

rādīcŭla, ae, f. dim. [radix].

  1. I. In gen., a small root, rootlet, Cic. Div. 2, 66, 136; Col. 5, 5, 5.
  2. II. In partic.
      1. 1. Fuller’sweed, soapwort, Plin. 19, 3, 18, § 48.
      2. 2. A small kind of radish, Col. 4, 8, 1; 11, 2, 19; Cels. 2, 18; 21; 29 al.

rădĭo, āvi, ātum, 1 [radius].

  1. * I. (Acc. to radius, I. B. 1.) V. a., to furnish with spokes: rota radiata, Varr. R. R. 3, 5, 15.
  2. II. (Acc. to radius, II.) V. a. and n. (mostly poet. and in post-Aug. prose).
    1. A. Act., to furnish with beams, make beaming, irradiate; only in pass., to be irradiated, to gleam, emit beams.
      Lit.: galeae gemmis radientur et auro, Ov. P. 3, 4, 103.
      Esp. freq. in the part. perf. and P. a.: rădĭātus, a, um, furnished with rays, irradiated, shining: miles ut adverso Phoebi radiatus ab ictu, irradiated, Luc. 7, 214: rubent radiati lumina solis, shining, Lucr. 5, 462: sol, Cic. Ac. 2, 41, 126; cf. also: orbis flammeus solis, Att. ap. Cic. Div. 1, 22, 44: lumen (solis), Poët. ap. Cic. de Or. 3, 40, 162; Ov. M. 4, 193: insigne diei (i. e. sol), Lucr. 5, 699: caput, surrounded with a halo or nimbus (the attribute of deities and deified personages), Plin. Pan. 52; cf. corona, Suet. Aug. 94 med.: splendor radiatus lampade solis, Sil. 7, 143.
    2. B. Neutr., to emit beams, to beam, shine, radiate.
      1. 1. Lit.: felium in tenebris fulgent radiantque oculi, Plin. 11, 37, 55, § 150; cf. Ov. Am. 3, 3, 9; id. M. 2, 4: miles radiabat in armis, Prop. 4 (5), 1, 27; Sil. 8, 468: radiabunt tempora nati (of the halo of deified personages, v. supra, A.), Sil. 3, 629; 2, 586.
        Freq. in part. pres.: rădĭans, beaming, shining: lumina solis, Ov. Tr. 2, 325: sidera, Lucr. 4, 214; Ov. M. 7, 325; 9, 272: Aquarius, Cic. Arat. 172: luna, Verg. A. 8, 23: aurum, Ov. M. 4, 636; cf.: galea claro ab auro, id. ib. 13, 105: templa auro, id. A. A. 3, 451: arma, Verg. A. 8, 616: carbunculi pinnato fulgore, Plin. 37, 7, 25, § 93.
      2. 2. Trop., to shine, radiate: quasi de industriă prospera ejus (fortuna) adversis radiaret, Flor. 4, 2, 30 Halm. (Duker, radiarentur): ipsi inter medios roseā radiante juventā, Val. Fl. 8, 257: constitutio, quae inter imperiales radiat sanctiones, Just. Inst. 1, 5, 3: radiantia signa, asterisks, Hier. praef. in Psa.

rădĭŏlus, i, m. dim. [radius].

  1. * I. A small, feeble sunbeam, Amm. 28, 4, 18.
  2. II. A kind of long olive, Col. 12, 49, 2.
  3. III. A plant resembling fern, App. Herb. 83.

* rădĭōsus, a, um, adj. [radius], emitting many beams, radiant: sol, Plaut. Stich. 2, 2, 41.

rădĭus, ii, m. [cf.: radix, ramus], a staff, rod.

  1. I. In gen.: acuti radii immissi, stakes, Liv. 33, 5, 11: ferreus, Plin. 10, 42, 58, § 117.
    1. B. In partic.
      1. 1. A spoke of a wheel, Plin. 16, 40, 76, § 206; Verg. G. 2, 444; id. A. 6, 616; Ov. M. 2, 108; 2, 317; Val. Fl. 6, 414: inter radios rotarum, Curt. 4, 9, 5; Plin. 16, 40, 76, § 206.
      2. 2. In mathematics,
        1. a. A staff, rod, for measuring, etc., Cic. Tusc. 5, 23, 64; Verg. E. 3, 41; id. A. 6, 850; Macr. S. 7, 2; Tert. Idol. 9.
        2. b. A semidiameter, radius of a circle, Cic. Univ. 6.
      3. 3. In weaving, a shuttle, Ov. M. 6, 56; 132; Lucr. 5, 1352; Verg. A. 9, 476.
      4. 4. In zoology,
        1. a. The spur of many kinds of birds, Plin. 11, 47, 107, § 257; esp. of the cock, id. 30, 11, 29, § 97.
        2. b. The sting above the tail of the fish pastinaca, Plin. 9, 48, 72, § 155; 32, 2, 12, § 25.
      5. 5. In botany, a kind of long olive, Verg. G. 2, 86; Col. 5, 8, 4; id. Arb. 17, 3; Plin. 15, 3, 4, § 13. A sub-species of the same, called radius major, Cato, R. R. 6, 1; Varr. R. R. 1, 24.
      6. 6. In anatomy, the radius, the exterior bone of the forearm, Gr. κερκίς, Cels. 8, 1.
      7. 7. Radius virilis = membrum virile, Cael. Aur. Acut. 3, 14, 115.
  2. II. A beam or ray of any shining object; of the sun, Plaut. Mil. 1, 1, 2; Lucr. 1, 48; 2, 117; Cic. Fin. 5, 24, 71; Verg. A. 4, 119; 7, 25; Tert. Res. Carn. 47; of lightning, Verg. A. 8, 429; Val. Fl. 6, 55; of the eyes, Gell. 5, 16, 2; of the halo around the heads of divine or deified personages: aurati, Verg. A. 12, 163; cf. radio, II.

rādix, īcis (gen. plur. radicium, Cassiod. H. E. 1, 1; Jul. Val. Itin. Alex. 32 (75)), f. [Gr. ῤίζα, a root; ῤάδιξ, a shoot or twig; cf. ramus], a root of a plant (cf. stirps).

  1. I. Lit.
      1. 1. In gen. (mostly in plur.): radices agere, to strike root, Varr. R. R. 1, 37 fin.; Ov. R. Am. 106; id. M. 4, 254; Col. 5, 6, 8; Plin. 16, 31, 56, § 127; cf. infra, II.: capere radices, to take root, Cato, R. R. 133, 3; Plin. 17, 17, 27, § 123: penitus immittere radices, Quint. 1, 3, 5: emittere radices e capite, ex se, Col. 3, 18, 6; 5, 10, 13: descendunt radices, Plin. 16, 31, 56, § 129: arbores ab radicibus subruere, Caes. B. G. 6, 27, 4: herbas radice revellit, Ov. M. 7, 226: radicibus eruta pinus, Verg. A. 5, 449: segetem ab radicibus imis eruere, id. G. 1, 319.
        Sing.: (arbos) quae, quantum vertice ad auras, tantum radice in Tartara tendit, Verg. G. 2, 292; Plin. 16, 31, 56, § 128; Hor. Ep. 2, 2, 150; Ov. H. 5, 147.
      2. 2. In partic., an edible root, Caes. B. C. 3, 48; esp. a radish: Syriaca, Col. 11, 3, 16; 59: also simply radix, Pall. 1, 35, 5; Hor. S. 2, 8, 8; Ov. M. 8, 666 al.: dulcis, licorice, Scrib. Comp. 170.
    1. B. Transf.
      1. 1. The root, i. e. the lower part of an object, the foot of a hill, mountain, etc.
        In plur.: in radicibus Caucasi natus, Cic. Tusc. 2, 22, 52: in radicibus Amani, id. Fam. 15, 4, 9: sub ipsis radicibus montis, Caes. B. G. 7, 36; 7, 51 fin.; 69; id. B. C. 1, 41; 3, 85, 1 et saep.
        In sing.: a Palatii radice, Cic. Div. 1, 45, 101; Plin. 37, 10, 66, § 180.
      2. 2. That upon which any thing is fixed or rests (e. g. the tongue, a feather, a rock); a root, foundation (poet.; used alike in sing. and plur.): linguae, Ov. M. 6, 557: plumae, id. ib. 2, 583: saxi, Lucr. 2, 102; Ov. M. 14, 713.
      3. 3. Radix virilis = membrum virile, Cael. Aur. Tard. 2, 1, 13.
  2. II. Trop., a root, ground, basis, foundation, origin, source (almost entirely in the plur.): vera gloria radices agit atque etiam propagatur, Cic. Off. 2, 12, 43: virtus altissimis defixa radicibus, id. Phil. 4, 5, 13: audeamus non solum ramos amputare miseriarum, sed omnes radicum fibras evellere, id. Tusc. 3, 6, 13: facilitatis et patientiae, id. Cael. 6, 14: Pompeius eo robore vir, iis radicibus, i. e. so deeply rooted, firmly established in the State, id. Att. 6, 6, 4: illic radices, illic fundamenta sunt, Quint. 10, 3, 3: a radicibus evertere domum, from its foundation, utterly, Phaedr. 3, 10, 49: ex iisdem, quibus nos, radicibus natum (C. Marium), i. e. a native of the same city, Cic. Sest. 22, 50; Varr. R. R. 2, 8, 1; cf. in sing.: Apollinis se radice ortum, Plin. 35, 10, 36, § 72: ego sum radix David, Vulg. Apoc. 22, 16 et saep.
    Of words, origin, derivation, Varr. L. L. 6, 5, 61; 7, 3, 88 al.

rādo, si, sum, 3, v. a., to scrape, scratch, shave, rub, or smooth; of the hair, to shave off with a razor (while tondere is to cut off with shears; mostly poet. and in post-Aug. prose; cf. scabo).

  1. I. Lit.: MVLIERES GENAS NE RADVNTO, tear, lacerate by scratching, in mourning, XII. Tab. ap. Cic. Leg. 2, 23, 59; Plin. 11, 37, 58, § 157; and Fest. s. v. radere, p. 227: fauces, to irritate, Lucr. 4, 528; Quint. 11, 3, 13 Spald.; 11, 3, 20: terram pedibus (corvus), Plaut. Aul. 4, 3, 2: caput et supercilia, to shave, Cic. Rosc. Com. 7, 20 (just before, abrasa); Petr. 103: caput, as a token of slavery, Liv. 34, 52 fin.; in mourning, Suet. Calig. 5; and in execution of a vow made in times of peril, Juv. 12, 81 (cf. Petr. 103 sqq.): barbam, Suet. Aug. 79.
    Transf., of the person himself: ut tonderetur diligenter ac raderetur, Suet. Caes. 45; Plin. 7, 59, 59, § 211: tigna, to smooth off, Lucr. 5, 1267: virgae, Verg. G. 2, 358; cf. lapides, to sweep the mosaic ground, Hor. S. 2, 4, 83: parietes, to scratch, Plin. 28, 4, 13, § 52: aream, i. e. to clear of bushes, Col. 2, 19; cf.: medicam marris ad solum, to weed out, Plin. 18, 16, 43, § 147: arva imbribus (Eurus), to strip, lay waste, sweep, ravage, Hor. Epod. 16, 54; cf.: terras (Aquilo), id. S. 2, 6, 25: nomen fastis, to scratch out, erase, Tac. A. 3, 17 fin.: margine in extremo littera rasa, Ov. Am. 1, 11, 22: tabellae rasae, id. A. A. 1, 437.
    1. B. Poet., transf.
      1. 1. To touch in passing, touch upon, brush along, graze; of streams: ripas radentia flumina rodunt, Lucr. 5, 256; Ov. F. 1, 242; Luc. 2, 425; Sen. Hippol. 16.
        Of sailors: hinc altas cautes projectaque saxa Pachyni Radimus (in sailing by), Verg. A. 3, 700; 5, 170; 7, 10; Val. Fl. 5, 108; Luc. 5, 425; 8, 246 al.: sicco freta radere passu (with percurrere; of horses running past), Ov. M. 10, 654: terra rasa squamis (serpentis), id. ib. 3, 75: arva radens serpens, Stat. Th. 5, 525; cf. Verg. A. 5, 217: trajectos surculus rasit, crept through, Suet. Ner. 48.
      2. 2. To strip off, nip off: damnosa canicula quantum raderet, Pers. 3, 50: ista tonstrix radit, i. e. shaves her customers (sc. of their money), Mart. 2, 17, 5.
  2. II. Trop., to grate upon, hurt, offend: aures delicatas radere, Quint. 3, 1, 3: teneras auriculas mordaci vero, Pers. 1, 107: pallentes mores, to lash, satirize, id. 5, 15.

* rādŭla, ae, f. [rado], a scraping-iron, scraper, Col. 12, 18, 5.