Able seaman

from WordNet (r) 3.0 (2006)

able seaman
    n 1: a seaman in the merchant marine; trained in special skills
         [syn: {able seaman}, {able-bodied seaman}]

from The Collaborative International Dictionary of English v.0.48

Seaman \Sea"man\, n.; pl. {Seamen}. [AS. saeman.]
   One whose occupation is to assist in the management of ships
   at sea; a mariner; a sailor; -- applied both to officers and
   common mariners, but especially to the latter. Opposed to
   {landman}, or {landsman}.
   [1913 Webster]

   {Able seaman}, a sailor who is practically conversant with
      all the duties of common seamanship.

   {Ordinary seaman}. See {Ordinary}.
      [1913 Webster]