gape·​worm | \ ˈgāp-ˌwərm How to pronounce gapeworm (audio) , sometimes ˈgap- \

Definition of gapeworm

: a nematode worm (Syngamus trachea) that causes gapes in birds

Examples of gapeworm in a Sentence

Recent Examples on the Web He and other rehabbers are overloaded with waterfowl riddled with gapeworm, a parasite that lives and breeds in a bird’s trachea and causes it to gasp or shake its head. New York Times, 20 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gapeworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of gapeworm

1873, in the meaning defined above

History and Etymology for gapeworm

gape entry 2 + worm entry 1

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The first known use of gapeworm was in 1873

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Cite this Entry

“Gapeworm.” Dictionary, Merriam-Webster, Accessed 28 Sep. 2021.

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More Definitions for gapeworm


gape·​worm | \ ˈgāp-ˌwərm How to pronounce gapeworm (audio) \

Medical Definition of gapeworm

: a nematode worm of the genus Syngamus (S. trachea) that causes gapes of birds


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