WordReference Random House Unabridged Dictionary of American English © 2026
web•worm
(web′wûrm′),USA pronunciation n.
- Insectsthe larva of any of several moths, as Hyphantria cunea (fall webworm) or Loxostege similalis (garden webworm,) which spins a web over the foliage on which it feeds.
- web + worm 1790–1800, American
'webworm' also found in these entries (note: many are not synonyms or translations):