Dictionary entry

Sty (4)

Webster's Dictionary 1913

Sty, n. [For older styan, styanye, understood as sty on eye, AS. stīgend (sc. eáge eye), properly, rising, or swelling (eye), p. p. of stīgan to rise. See Sty, v. i.] (Med.) An inflamed swelling or boil on the edge of the eyelid. [Written also stye.]