Search Result for "housemate": 
Wordnet 3.0

NOUN (1)

1. someone who resides in the same house with you; 



The Collaborative International Dictionary of English v.0.48:

Housemate \House"mate`\, n.
   One who dwells in the same house with another. --R. Browning.
   [1913 Webster]


WordNet (r) 3.0 (2006):

housemate
    n 1: someone who resides in the same house with you