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.

Nearby words

  1. webster, noah,
  2. webster-ashburton treaty,
  3. websterian,
  4. websterite,
  5. webwheel,
  6. webzine,
  7. wechsler adult intelligence scale,
  8. wechsler intelligence scale for children,
  9. wechsler preschool and primary scale for intelligence,
  10. wechsler scales

Origin of webworm

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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