Eyestone

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Eyestone \Eye"stone`\ ([imac]"st[=o]n`), n.
     1. A small, lenticular, calcareous body, esp. an operculum of
        a small marine shell of the family {Turbinid[ae]}, used to
        remove a foreign substance from the eye. It is put into
        the inner corner of the eye under the lid, and allowed to
        work its way out at the outer corner, bringing with it the


        substance.
        [1913 Webster]
  
     2. (Min.) Eye agate. See under {Eye}.
        [1913 Webster]