Trimeter
Pronunciation : Trim"e*ter
Part of Speech : a.
Etymology : [L. trimetrus, Gr. Tri-) + measure. See Meter measure.] (Pros.)
Definition : Defn: Consisting of three poetical measures. -- n.
Defn: A poetical division of verse, consisting of three measures. Lowth.
Source : Webster's Unabridged Dictionary, 1913