One entry found for sty.

Main Entry: ²sty
Variant(s): or stye /st/
Function: noun
Inflected Form(s): plural sties or styes
Etymology: a shortened form of obsolete styan "a painful swelling of a gland on the edge of the eyelid," from Old English stgend (same meaning), from stgan "to rise up"
: a painful red swelling of a skin gland on the edge of an eyelid