'fall webworm' definitions:

Definition of 'fall webworm'

(from WordNet)
noun
A variety of webworm [syn: fall webworm, Hyphantria cunea]

Definition of 'fall webworm'

From: GCIDE
  • fall webworm \fall webworm\, n. (Zool.) The larva of any moth of the genus Hyphantria, which spins a web around the foliage on which it feeds. [PJC]