Lewis Short
trīcēni, ae, a (
* Gen. plur. tricenūm, Plin. 7, 49, 50, § 164; 11, 33, 39, § 113), num. distr. adj. [triginta], thirty at a time, thirty each, thirty.
* Lit., distributively: lecti,Cic. Verr. 2, 4, 26, § 58: tricenos milites ex singulis legionibus, Auct. B. Afr. 75, 5: dies,Col. 2, 14, 8: amphorae,id. 3, 3, 14: bini dentes,Plin. 7, 16, 15, § 71: latent tricenis diebus,id. 9, 36, 60, § 125: nummi,Mart. 10, 27, 3.
* Transf., thirty cardinally: medica ab uno satu tricenis annis durat,Plin. 18, 16, 43, § 144: (inplent) anguillae in Gange amne tricenos pedes,id. 9, 3, 2, § 4; Mart. 1, 44, 1.—Gen. tricenūm, Auct. Her. 3, 19, 32; Plin. 7, 49, 50, § 164; 11, 33, 38, § 113; Front. Aquaed. 49.
Charlton T. Lewis, Charles Short, A Latin Dictionary