Triplex

·add. ·adj Havingthree principal operative parts or motions, so as to produce a three-fold effect.

triplex
trī̆plex, ĭcis (abl. regularly triplici; triplice, Prud. Apoth. 383; Ven. Carm. 7, 4, 12), adj. [ter...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
triplex
triplex icis, adj.ter+PARC-, threefold, triple : Plato triplicem finxit animum: philosophandi rati...

An Elementary Latin Dictionary