bunkmate

from WordNet (r) 3.0 (2006)
bunkmate
    n 1: someone who occupies the same sleeping quarters as yourself
    
from The Collaborative International Dictionary of English v.0.48
bunkmate \bunk"mate`\ n.
   1. someone who occupies the same sleeping quarters as
      oneself.
      [WordNet 1.5]
    

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