the humorous use of a word or phrase so as to emphasize or suggest its different meanings or applications, or the use of words that are alike or nearly alike in sound but different in meaning; a play on words.

the word or phrase used in this way.

to make puns.

noun

ambiguity , calembour , conceit , double entendre , double meaning , equivoque , joke , paronomasia , quibble , quip , witticism , assonance , conundrum , equivoke , knock , paradigm , paragram , play on words , punning