Dictionary.com
definitions
  • synonyms

hornworm

[hawrn-wurm]
noun
  1. the larva of any of several hawk moths, having a hornlike process at the rear of the abdomen.
Show More

Origin of hornworm

An Americanism dating back to 1670–80; horn + worm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018