A quatrain is a piece of a poem similar to a paragraph with extra rules A quatrain contains four lines of approximately equal length with some kind of rhyme pattern Example One: Gather ye rosebuds while ye may Old Time is still a- flying; And this same flower that smiles today, Tomorrow will be dying
a four-line stanza, rhyming abac or abcb (unbounded, or ballad), as in "Sir Patrick Spens" and Samuel Taylor Coleridge's "The Ryme of the Ancient Mariner" aabb (a double couplet), abab (interlaced, alternate, or heroic), as in Thomas Gray's "Elegy Written in a Country Churchyard" abba (envelope or enclosed), as in Alfred lord Tennyson's "In Memoriam" aaba, the stanza of Edward Fitzgerald's "The Rubáiyát of Omar Khayyám"