Couplet / heroic couplet
Rules quoted from the poets.org glossary; examples only from public-domain poems.
The rules, quoted
A couplet is two successive lines of poetry, often rhymed.
The rhyming iambic pentameter or five-stress couplet—later known as the heroic couplet—was introduced into English by Chaucer
Our explanation written by Tale of the Muse
A couplet is two lines in a row, often rhymed. The heroic couplet is a rhyming couplet in iambic pentameter, the five-stress line, which the glossary says Chaucer introduced into English. The example below opens a poem published in 1711.
Our plain-language restatement of the glossary rules above. It adds no facts of its own.
A public-domain example
Public domain in the US: the ebook's front matter prints 1711, before 1931, as the front matter quoted below shows. Only the opening lines are shown. The example illustrates the form; the rules above come from the glossary, not from the poem.
'Tis hard to say if greater want of skill
Appear in writing or in judging ill,
Project Gutenberg ebook #7409 · our check found this text on October 31, 2026
AN ESSAY ON CRITICISM. BY ALEXANDER POPE,
These were followed by the Essay on Criticism , 1711;