Lewis & Short

scrŏbis (collat. form scrobs, only acc. to Prisc. p. 751 P., and by a false read. in some edd. in Col. 4, 4, 1; 5, 5, 1 sq.; 5, 6, 18; 5, 10, 4), is, m., less freq. f. [root skrabh-, v. scribo].

  1. I. Lit., a ditch, dike, trench (syn. fossa; class.); masc., Plaut. Fragm. ap. Non. 225; 7; 8; Varr. Fragm. ib. 11; Cic. Fragm. ap. Serv. Verg. G. 2, 288; Col. 4, 1, 5; 5, 5, 2; 5, 5, 4; 5, 6, 18 et saep.
    Fem., Gracchus ap. Serv. Verg. G. 2, 288; Ov. M. 7, 243; Luc. 8, 756; Col. 4, 4, 1; 12, 46, 4; Plin. 16, 31, 57, § 131; Tac. A. 15, 67 fin.; Pall. 1, 5, 3.
  2. II. Transf.
      1. 1. A grave, Mart. 10, 97, 3; Tac. A. 1, 61 fin.; 15, 67 fin.; Suet. Ner. 49.
      2. 2. Virginalis = pudendum muliebre, Arn. 4, 131.