Onychia

1 definition found

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

  Onychia \O*nych"i*a\, n. [NL. See {Onyx}.] (Med.)
        (a) A whitlow.
        (b) An affection of a finger or toe, attended with
            ulceration at the base of the nail, and terminating in
            the destruction of the nail.
            [1913 Webster]