Definition of gastrolith
: a stone or pebble ingested by an animal and functioning to grind food in gastric digestion
From the M-W Editors
Recent Examples of gastrolith from the Web
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Display cases also hold opalized freshwater crayfish gastroliths, or yabby buttons, which are found only in Lightning Ridge’s opal mines.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gastrolith.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of gastrolith
1854
Medical Dictionary
Learn More about gastrolith
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See words that rhyme with gastrolith Britannica.com: Encyclopedia article about gastrolith
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