eyestone

[ ahy-stohn ]
/ ˈaɪˌstoʊn /

noun

a small calcareous body, flat on one side and convex on the other, passed between the eye and the eyelid to bring out cinders or other foreign matter.

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Origin of eyestone

First recorded in 1670–80; eye + stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for eyestone