1. The formation or use of words such as buzz or murmur that imitate the sounds associated with the objects or actions they refer to.
2. The use of such words for poetic or rhetorical effect
[Late Latin, from Greek onomatopoii, from onomatopoios, coiner of names : onoma, onomat-, name; see n-men- in Indo-European roots + poiein, to make; see kwei-2 in Indo-European roots.]
ono·mato·poeic, ono·mato·po·etic (-p-tk) | adj.
ono·mato·poei·cal·ly, ono·mato·po·eti·cal·ly | adv.