rhyme

Concise Oxford English Dictionary © 2008 Oxford University Press:
rhyme/rʌɪm/

▶noun

• 1 correspondence of sound between words or the endings of words, especially when used in poetry.

  ■ a word with the same sound as another.

• 2 a short poem with rhyming lines.

  ■ rhyming poetry or verse.

▶verb

• 1 (of a word, syllable, or line) have or end with a sound that corresponds to another.

  ■ (rhyme something with) put a word together with (another with a corresponding sound).

  ■ (of a poem or song) be composed in rhyme.

• 2 literary compose poetry.

– phrases
rhyme or reason [with neg.] logical explanation.

– derivatives
rhymer noun,
rhymist noun (archaic).

– origin ME rime, from OFr., from med. L. rithmus, via L. from Gk rhuthmos (see rhythm).