'bo'sun' definitions:

Definition of 'bo'sun'

(from WordNet)
noun
A petty officer on a merchant ship who controls the work of other seamen [syn: boatswain, bos'n, bo's'n, bosun, bo'sun]

Definition of 'bo'sun'

From: GCIDE
  • bosun \bosun\ n. a petty officer on a merchant ship who controls the work of other seamen; a contraction of boatswain. [Also spelled bo'sun.]
  • Syn: boatswain, bos'n, bo's'n, bo'sun, boson. [WordNet 1.5]