wormer

noun

worm·​er ˈwər-mər How to pronounce wormer (audio)
: a drug used in veterinary medicine to worm an animal

Word History

First Known Use

circa 1934, in the meaning defined above

Time Traveler
The first known use of wormer was circa 1934

Rhymes for wormer

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Browse Nearby Words

worm eel
wormer
worm fence
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Cite this Entry

“Wormer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wormer. Accessed 8 Jul. 2026.

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Kids Definition

wormer

noun
worm·​er ˈwər-mər How to pronounce wormer (audio)
: a drug used to destroy parasitic worms in an animal

Medical Definition

wormer

noun
worm·​er ˈwər-mər How to pronounce wormer (audio)
: an agent used in veterinary medicine to destroy or expel parasitic worms
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