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a. Verse written in lines of three metrical feet.
b. A single line of such verse.
a. Classical quantitative verse consisting of three measures of two feet each, especially in iambic, trochaic, or anapestic meter.
b. A single line of such verse.

[Late Latin, from Latin trimetrus, from Greek trimetros : tri-, tri- + metron, measure; see meter1.]

tri·met′ric (trī-mĕt′rĭk), tri·met′ri·cal (-rĭ-kəl) adj.


(ˈtrɪmɪtə) prosody
(Poetry) a verse line consisting of three metrical feet
(Poetry) designating such a line


(ˈtrɪm ɪ tər)
1. a verse of three measures or feet.
2. consisting of three measures or feet.
[1560–70; < Latin trimetrus having three measures < Greek trímetros. See tri-, meter2]


a verse having three metrical units.
See also: Verse


A meter of three feet to the line.
References in classic literature ?
But 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!
The alternating trimeter and tetrameter lines along with the ABCBDB rhyme scheme tells us the poem is a ballad, and indeed, like many of the most widely circulated ballads of the nineteenth century, it features an outlaw and a gallows scene.
This device of finishing up a stretch of randomly rhyming verse with a tight pattern recalls Milton's Lycidas, which finishes with a perfect ottava rima stanza at the end of more than 180 lines of iambic pentameter with interspersed trimeter lines and sporadic rhymes.
Prosecuting barrister John Philpotts said the orders had been agreed in the cases of four men who had previously been jailed following Operation Trimeter.
Webster cast this monologue in an eight-line squeezebox of a stanza rhymed abcdbcda: six tetrameter lines whose feet lunge and crumple from duple to triple and back, framed on either side by trimeter lines that come to an arresting stand quizzing the speaker's identity.
And it is hard to argue that he has gone the more daring, and dubious, route and attempted to assign quantities to English syllables when his poem does scan as accentual-syllabic iambic pentameter and trimeter.
their metrical form--usually employing iambic or trochaic trimeter or
24 "By purifying themselves, let them bring here to us rain from heaven and an abundance of heroes--the gods, the drops, being pressed"; (11-syllable trimeter verse) IV.
In "The School Children," Robinson returns to the alternating tetrameter and trimeter lines of the quintain to offer a final--and strikingly optimistic--view of this expanding rural society in an industrial age.
Likewise "Sounding Line," which describes in six quatrains of terse trimeter the swift descent of a heavy plumb line tossed into the sea "through layers of photosynthetic / migrating cells and stories / of diatomic bodies," until it hits bottom and is pulled to the surface "where, in a repetition / like a watery palindrome, / you--bound and leaning--were reeling / the measured feeling home.
In organizing the poem in three stanzas with iambic trimeter and cross, or alternate, rhyme, George writes in 1897 a new version of Eichendorff's poem from 1837, the latter now without a title and thus "decapitated" and, consequently, corpse-colored: