- another name for a caddisworm
WordReference Random House Unabridged Dictionary of American English © 2025
case•worm
(kās′wûrm′),USA pronunciation n.
- Insectsa caddisworm or other insect larva that constructs a case around its body.
- case2 + worm 1600–10
Collins Concise English Dictionary © HarperCollins Publishers::
'caseworm' also found in these entries (note: many are not synonyms or translations):