Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

corn earworm

noun corn ear·worm \ -ˈir-ˌwərm \

Definition of corn earworm

: a noctuid moth (Helicoverpa zea synonym Heliothis zea) whose large striped yellow-headed larva is especially destructive to corn, tomatoes, tobacco, and cotton bolls

See corn earworm defined for kids

First Known Use of corn earworm

1802

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about corn earworm

  1. Britannica.com: Encyclopedia article about corn earworm

Seen and Heard

What made you want to look up corn earworm? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

adulation

play

excessive admiration or flattery

Get Word of the Day daily email!

TRENDING NOW

  1. hogwash 'nonsense, balderdash'

  2. probity 'adherence to the highest principles and ideals'

  3. sequacious 'intellectually servile'

  4. inadmissible 'not capable of being allowed'

  5. oligarch, pejorative 'a member a government in which a small group exercises control especially for corrupt and selfish purposes'

SEE ALL

BROWSE DICTIONARY

corn earworm

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games