DCHP-1 Online
cannon bunk Lumbering, Hist. 
a kind of bunk placed in banks at right angles to the wall so that the user must crawl in head first and out feet first (as in charging a muzzle-loading gun).
See also: muzzle-loading bunk
- 1919 You have in some camps what are known as "cannon bunks." That is double bunks arranged lengthwise, generally double-deckers, which gives four men about six feet of space to sit down.
- 1919 You have in some camps what are known as "cannon bunks." That is double bunks arranged lengthwise, generally double-deckers, which gives four men about six feet of space to sit down.