Lewis Short
trĕcēni (tercēni, Eum. Rest. Schol. 11), ae, a (
* Gen. plur. trecenorum, Liv. 7, 25: trecenūm,Sen. Q. N. 3, 7, 3), num. distr. adj. [tres-centum].
* Lit., three hundred each, three hundred distributively: treceni equites in singulis legionibus,Liv. 39, 38, 11; 8, 8, 14: familiae in singulas colonias,id. 32, 29, 4: nummi in capita Romana,id. 22, 52, 3.—Of an indefinitely large number: non si trecenis, quotquot eunt dies, Amice, places illacrimabilem Plutona tauris,Hor. C. 2, 14, 5.
* Transf., in gen., three hundred: vivere ducenis annis et quosdam trecenis,Plin. 8, 10, 10, § 28.
Charlton T. Lewis, Charles Short, A Latin Dictionary