from The Century Dictionary.
- noun Same as
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun primitive winged insect with a flattened body; used as bait by fishermen; aquatic gilled larvae are carnivorous and live beneath stones
from The American Heritage® Dictionary of the English Language, 4th Edition
Most plecopteran larvae use gills to respire, but those that don't have gills need to live in highly oxygenated water in order to be able to diffuse enough oxygen across their body surface.