'frat house' definitions:

Definition of 'frat house'

From: WordNet
noun
A house used as a residence by a chapter of a fraternity [syn: chapterhouse, fraternity house, frat house]

Definition of 'frat house'

From: GCIDE
  • frat house \frat house\ n. a house used by a chapter of a fraternity at a college.
  • Syn: fraternity house; chapter house. [WordNet 1.5]