Crab's eyes


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masses of calcareous matter found, at certain seasons of the year, on either side of the stomach of the European crawfishes, and formerly used in medicine for absorbent and antacid purposes; the gastroliths.

See also: Crab

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The publisher insisted on a more humane way to dispatch the creatures: applying a lethal electric shock on a spot between the crab's eyes with metal prods.
A crab's eyes are at the end of long stalks so he can see enemies better.