Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: a hawk moth caterpillar having a hornlike tail process — compare tomato hornworm
Recent Examples on the Web
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hornworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1676, in the meaning defined above
Keep scrolling for more
Resources for hornworm
Time Traveler for hornworm
See more words from the same year
More from Merriam-Webster on hornworm
See words that rhyme with hornworm
Britannica.com: Encyclopedia article about hornworm
Comments on hornworm
What made you want to look up hornworm? Please tell us where you read or heard it (including the quote, if possible).
not any or not one
Get Word of the Day daily email!
Great Scrabble Words—A Quiz
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
A look at its gassy origins
Words from the week of 10/12/2018
Smart advice on modifying adjectives
If you need a reminder.
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Words to improve your Scrabble game
Do you know which word is older?
SCRABBLE® fans, sharpen your skills!