Lewis & Short

căprīnus, a, um, adj. [caper],

  1. I. of or pertaining to goats: grex, Varr. R. R. 2, 3, 1; 2, 10, 3; Liv. 22, 10, 3: genus, Varr. R. R. 1, 2, 19: pecus, Col. 7, 6; 7, 7, 1: stercus, Cato, R. R. 36; Varr. R. R. 1, 38, 2: pellis, Cic. N. D. 1, 29, 82: lac, Plin. 28, 9, 33, § 124; 30, 11, 30, § 99: sanguis, id. 28, 17, 68, § 232.
    Prov.: rixari de lanā caprinā, to contend about trifles, Hor. Ep. 1, 18, 15.
  2. II. Subst.: că-prīna, ae, f. (sc. caro), goat’s flesh, Val. Imp. ap. Vop. Prob. 4.