trĭlībris: e, adj. ter-libra,I of three pounds weight, three-pound-: mullus, Hor. S. 2, 2, 33: paterae, scyphi, Gall. ap. Treb. Claud. 17.
trĭlībris,¹⁶ e (tres, libra), qui pèse trois livres : Hor. S. 2, 2, 33 ; Treb. Claud. 17, 5.