'houseguest' definitions:

Definition of 'houseguest'

From: WordNet
noun
A guest entertained in your house [syn: house guest, houseguest]

Definition of 'houseguest'

From: GCIDE
  • houseguest \houseguest\, house guest \house guest\n. a guest entertained and staying overnight in one's house for one or more nights. [WordNet 1.5 +PJC]