1. trimeter - Noun
2. trimeter - Adjective
Consisting of three poetical measures.
A poetical division of verse, consisting of three measures.
Source: Webster's dictionaryBut oh, Mesdames, if you are not allowed to touch the heart sometimes in spite of syntax, and are not to be loved until you all know the difference between trimeter and tetrameter, may all Poetry go to the deuce, and every schoolmaster perish miserably! William Makepeace Thackeray