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}]