Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

trĭquē̆trus, a, um, adj., having three corners, three-cornered, triangular.

  1. I. In gen.: triquetra aliis, aliis quadrata, Lucr. 4, 653: ager (opp. quadratus), Col. 5, 2, 1: figura (opp. quadrata), Plin. 2, 25, 23, § 93: (Britannia) insula naturā triquetra, Caes. B. G. 5, 13: Martis sidus numquam stationem facere Jovis sidere triquetro, i. e. distant by a third of the zodiac, Plin. 2, 17, 15, § 77; also as subst.: trĭquē̆trum, i, n., the trinal aspect, that in which a planet’s longitude differs by one-third of a circle from the earth’s: in triquetro, id. 2, 15, 12, § 59; 2, 18, 16, § 80.
  2. II. In partic., as adj. prop., of or belonging to the island of Sicily, Sicilian: orae, Lucr. 1, 717; Sil. 5, 489: tellus, Hor. S. 2, 6, 55; cf. Quint. 1, 6, 30.