Wiktionary
onomatopœical
a. (alternative form of onomatopoeical English)
WordNet
onomatopoeical
adj. (of words) formed in imitation of a natural sound; "onomatopoeic words are imitative of noises"; "it was independently developed in more than one place as an onomatopoetic term"- Harry Hoijer [syn: echoic, imitative, onomatopoeic, onomatopoetic] [ant: nonechoic]