Wordnet 3.0
NOUN (1)
1.
a pen for swine;
[syn: sty, pigsty, pigpen]
The Collaborative International Dictionary of English v.0.48:
Pigsty \Pig"sty`\, n.; pl. Pigsties.
A pigpen.
[1913 Webster]
WordNet (r) 3.0 (2006):
pigsty
n 1: a pen for swine [syn: sty, pigsty, pigpen]