Word.ws English Dictionary

hornworm

hornworm noun: a caterpillar of a hawk moth that has a hornlike tail process.

hornworm: a caterpillar of a hawk moth that has a hornlike tail process
Image: Daniel Schwen, CC BY-SA 4.0, via Wikimedia Commons

Noun

hornworm (plural hornworms)

  1. A caterpillar of a hawk moth that has a hornlike tail process.
  2. Some moths in the genus Manduca of the hawk moth family Sphingidae.
    • The project, part of a wave of interest in life-imitating robotics, is a collaboration of seven Tufts faculty members from five departments in the schools of engineering and arts and sciences. Dr. Trimmer comes from the field of neurobiology, where he has been studying the tobacco hornworm, Manduca...2007 March 27, John Schwartz, “In the Lab: Robots That Slink and Squirm”, in New York Times

Forms of hornworm

pluralhornworms

Origin of hornworm

From horn + worm.

Words formed from hornworm

Questions about hornworm

What does hornworm mean?
Hornworm means a caterpillar of a hawk moth that has a hornlike tail process.
What part of speech is hornworm?
Hornworm is a noun.
What is the plural of hornworm?
The plural of hornworm is hornworms.

Words near hornworm in the dictionary

  1. hornussen
  2. hornweed
  3. hornweeds
  4. hornwork
  5. hornworks
  6. hornworm
  7. hornworms
  8. hornwort
  9. hornworts
  10. hornwrack
  11. hornwracks

Source and license

Adapted from Wiktionary: hornworm (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-hornworm.wav.

Cite this entry: “hornworm.” Word.ws, https://word.ws/hornworm. Based on Wiktionary, CC BY-SA 4.0.