What does Able Bodied Seaman mean?

Able Bodied Seaman meaning in Urban Dictionary

Skilled deck department worker aboard a Merchant Ship associated with the united states of america. After being employed as an AB for awhile, one AB is appointed Boatswain, or 'foreman' associated with the deck department.Aside from duties of a regular Seaman, the AB may also be known as to guide the vessel within a bridge watch, and takes an even more active part in loading/unloading the ship compared to the O.S.