a person who shares sleeping quarters with another, especially one who sleeps in a neighboring bed.
Origin of bunkmate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for bunkmate
Historical Examples of bunkmate
"Pretty near two months' wages gone for a box, but what's expense when we're planting Jim," weepingly commented his bunkmate.The Lumberjack Sky Pilot
Thomas D. Whittles