STY, noun 1. A pen or inclosure for swine. 2. A place of bestial debauchery. To roll with pleasure in a sensual sty 3. An inflamed tumor on the edge of the eyelid. STY, verb transitive To shut up in a sty STY, verb intransitive To soar; to ascend. [Not in use.] [See Stirrup.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI