crabstone
nounEtymology From crab + stone.
1
A calcareous concretion found in the stomach of crabs and other crustaceans.
- [F]rom cadmium, gravel, crab-stones [translating Krebsaugen], emery and talc I prepared a powder for whitening teeth, and from lye, copper, sal ammoniac and camphor a blue tincture for scurvy, stomatitis, toothache and sore eyes.1999, Mike Mitchell, translating HJC von Grimmelshausen, Simplicissimus, IV.8, Dedalus 2016, p. 303