treble (adj. and <i Copy link Outline 1. triplus2. triplex, ĭcis3. tergĕmĭnus; also trīgĕmĭnus (only poet.) • treble (adj. and subs.): three times as much: 1. triplus: the third portion the t. of the first, tertia (pars) primae tripla, Cic. Tim. 7: to be condemned to pay t., *tripli damnari (cf. double). 2. triplex, ĭcis: t. (or triple) form (of Cerberus), t. forma, Ov. Met. 9, 185: t. (or triple) brass, aes t., Hor. Neut. used as subs.: Hor. S. 2, 3, 237. 3. tergĕmĭnus; also trīgĕmĭnus (only poet.): t. head (of a monster): t. caput, Tib. 3, 4., 88: Virg.: Ov.