a. [ L. tritus, p. p. of terere to rub, to wear out; probably akin to E. throw. See Throw, and cf. Contrite, Detriment, Tribulation, Try. ] Worn out; common; used until so common as to have lost novelty and interest; hackneyed; stale;
a. [ Pref. tri- + ternate. ] (Bot.) Three times ternate; -- applied to a leaf whose petiole separates into three branches, each of which divides into three parts which each bear three leafiets. [ 1913 Webster ]