Lewis & Short

hircus (also hircŭus and ircus; cf. Quint. 1, 5, 20; and the Sabine form, FIRCUS, Varr. L. L. 5, § 97 Müll.; cf. haedus init.), i, m., a he-goat, buck (cf. haedus, caper).

  1. I. Lit., Verg. E. 3, 8; 91; id. G. 3, 312; Hor. Epod. 16, 34; id. A. P. 220 (Plin. 37, 4, 15, § 60: foedissimum animalium).
  2. II. Transf.
    1. A. Like caper, a goatish smell, the rank smell of the armpits: hircum ab alis (sapere), Plaut. Ps. 2, 4, 48: alarum, Cat. 71, 1: an gravis hirsutis cubet hircus in alis, Hor. Epod. 12, 5: pastillos Rufillus olet, Gargonius hircum, id. S. 1, 2, 27; 1, 4, 92.
    2. B. An epithet applied to a filthy person: hircus, hara suis, Plaut. Most. 1, 1, 38: propter operam illius hirqui improbi edentuli, id. Cas. 3, 2, 20.
    3. C. Of voluptuous persons, id. Merc. 2, 2, 1; 4; Cat. 37, 5; Poët. Atell. ap. Suet. Tib. 45.