'Shipmate' definitions:

Definition of 'shipmate'

From: WordNet
noun
An associate on the same ship with you

Definition of 'Shipmate'

From: GCIDE
  • Shipmate \Ship"mate`\, n. One who serves on board of the same ship with another; a fellow sailor. [1913 Webster]

Synonyms of 'shipmate'

From: Moby Thesaurus