[ kad-is-wurm ]
/ ˈkæd ɪsˌwɜrm /


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.

Origin of caddisworm

1615–25; caddis (perhaps plural, taken as singular, of caddy, diminutive of cad larva, ghost) + worm
Also called caddis, caddice, strawworm. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for caddisworm