LATIN DICTIONARYLexicon Latīnum
adjective

trĭ-longus

Meaning

  1. consisting of three long syllables

trĭ-longus, a, um, adj. ter,
I. consisting of three long syllables: pes, Ter. Maur. p. 2413 P.

Quick answers

What does trĭ-longus mean in Latin?
trĭ-longus, a adjective, means “consisting of three long syllables”.