Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

wormer

noun
worm·er | \ ˈwər-mər \

Definition of wormer 

: a drug used in veterinary medicine to worm an animal

First Known Use of wormer

circa 1934, in the meaning defined above

Keep scrolling for more

Learn More about wormer

Dictionary Entries near wormer

worm-eaten

worm-eating warbler

worm eel

wormer

worm fence

worm gear

worm grass

Statistics for wormer

Look-up Popularity

Time Traveler for wormer

The first known use of wormer was circa 1934

See more words from the same year

Keep scrolling for more

More Definitions for wormer

wormer

noun
worm·er | \ ˈwər-mər \

Medical Definition of wormer 

: an agent used in veterinary medicine to destroy or expel parasitic worms

More from Merriam-Webster on wormer

See words that rhyme with wormer

Comments on wormer

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

Show Comments  Hide Comments 

WORD OF THE DAY

lenitive

alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

TRENDING NOW

  1. Spartan Red Cross Warns of Shelter Conditions

  2. hirsute RIP Burt Reynolds

  3. op-ed NYT Publishes Anonymous Piece

  4. collegiality Kavanaugh Mentions Word in Hearing

  5. mistrial Manafort Guilty on 8 Counts

SEE ALL

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