Dictionary
cad•dis•worm
Pronunciation: (kad'is-wûrm"), [key]
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n.
the aquatic larva of a caddisfly, having an armored head and a pair of abdominal hooks, and typically living in a case built from sand or plant debris. Also called
caddis, caddice, strawworm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.