gizzard worm

noun

Definition of gizzard worm

  1. :  any of various nematode worms parasitic in the gizzard of birds: such as a :  a spiruroid worm of the genus Acuaria that is a destructive parasite of chickens, turkeys, and related game birds b :  a spiruroid worm (Amidostomum anseris) sometimes fatal to ducks and geese

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