gastrolith

(gastrō lit̸h)

noun

a stony concretion formed in the stomach

Origin: gastro- + -lith

See gastrolith in American Heritage Dictionary 4

noun
  1. A pathological stony mass formed in the stomach; gastric calculus.
  2. A small stone found in the stomach of some reptiles, fish, and birds that aids in digestion by helping grind ingested food material.

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