trichoptera

from The Century Dictionary.

• A subordinal group of neuropterous insects, the caddisflies: so called because the wings are generally hairy to an extent not found in other Neuroptera.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) A suborder of Neuroptera usually having the wings covered with minute hairs. It comprises the caddice flies, and is considered by some to be a distinct order.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an order of insects consisting of caddis flies