sty

US /staɪ/
UK /staɪ/
"sty" picture
1.

a pigpen

:
The farmer cleaned out the pig's sty.
The pigs were happily wallowing in their muddy sty.
2.

a small inflamed lump on the edge of an eyelid, caused by bacterial infection of a hair follicle or sebaceous gland

:
She had a painful sty on her right eyelid.
Warm compresses can help reduce the swelling of a sty.
3.

a place that is extremely dirty and untidy

:
His room was a complete sty after the party.
I can't believe you live in such a sty!