Sty \Sty\, n.; pl. {Sties}. [Written also {stigh}.] [AS. stigu, fr. st[=i]gan to rise; originally, probably, a place into which animals climbed or went up. [root]164. See {Sty}, v. i., and cf. {Steward}.] 1. A pen or inclosure for swine. [1913 Webster] 2. A place of bestial debauchery. [1913 Webster] To roll with pleasure in a sensual sty. --Milton. [1913 Webster]