: a nematode worm (Syngamus trachea) that causes gapes in birds
Examples of gapeworm in a Sentence
Recent Examples on the WebHe 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
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