fall webworm


noun

See under webworm.

Origin of fall webworm

An Americanism dating back to 1860–65

Definition for fall webworm (2 of 2)

webworm
[ web-wurm ]
/ ˈwɛbˌwɜrm /

noun

the 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.

Origin of webworm

An Americanism dating back to 1790–1800; web + worm