from the GNU version of the Collaborative International Dictionary of English
- n. any one of many species of pseudoneuropterous insects of the genus Perla and allied genera; a perlid. They are often used by anglers for bait. The larvæ are aquatic.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. primitive winged insect with a flattened body; used as bait by fishermen; aquatic gilled larvae are carnivorous and live beneath stones
Sorry, no etymologies found.