noun.the naming of a thing or action by a vocal imitation of the sound associated with it: the creation of words that imitate natural sounds (such as buzz, hiss); also: a word formed by onomatopoeia
… some of our most beloved onomatopoeias: crackle, sizzle, pop, slurp.
a study of the poet's onomatopoeia
noun.the use of words whose sound suggests the sense
Origin
Late Latin, from Greek onomatopoiia, from onomat-, onoma name + poiein to make.