gastric-mill

gastric mill

noun Zoology.
1.
a gizzard in decapod crustaceans, as lobsters, crabs, and shrimps, having an arrangement of teeth and small bones for grinding food and bristles for filtering small particles.
2.
gizzard ( def 2 ).

Origin:
1895–1900

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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