Caddis-fly definition

Any of an order (Trichoptera) of small, mothlike insects with a soft body, long antennae and legs, and two pairs of hairy, membranous wings.

noun

Any insect, of the order Trichoptera, having two pairs of hairy wings; they are found near lakes and streams.

noun

Other Word Forms

Singular:

caddis-fly

Plural:

caddis-flies