deckhand

noun

1. Nautical. a sailor whose duties are performed on deck.

noun

1. a seaman assigned various duties, such as mooring and cargo handling, on the deck of a ship
2. (in Britain) a seaman over 17 years of age who has seen sea duty for at least one year
3. a helper aboard a yacht

n.

1844, American English, from deck (n.) + hand (n.).