caddis-fly

WORDNET DICTIONARY

caddis-fly(n = noun.animal) caddice fly, caddice-fly, caddis fly - small moth-like insect having two pairs of hairy membranous wings and aquatic larvae; Array

is a kind of trichopteran, trichopteron, trichopterous insect

caddis-fly, n. (pl. -flies) any small hairy-winged nocturnal insect of the order Trichoptera, living near water.

Etymology

17th c.: orig. unkn.

For further exploring for "caddis-fly" in Webster Dictionary Online