From Wiktionary, the free dictionary
From deck + -man.
deckman (plural deckmen)
- A man who works on the deck of a ship.
2009 June 19, Bruce Weber, “Dusty Rhodes, Star Pinch-Hitter in ’54 Series, Dies at 82”, in New York Times[1]:After he left baseball, Rhodes stayed in New York, living on Staten Island and working as a steerer, a deckman and a cook on tugboats.