bunkmate

/ˈbʌŋkˌmeɪt/
noun
  1. A person who shares a bunk or sleeping quarters with another person.
    • He became good friends with his bunkmate on the military base.
    • The hostel assigned me a bunkmate from Japan.
    • My bunkmate at summer camp snored so loudly I couldn't sleep.
Synonyms
What does "bunkmate" mean? | whatsthatwordmean | whatsthatwordmean