DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Waister \Waist"er\, n. (Naut.)
      A seaman, usually a green hand or a broken-down man,
      stationed in the waist of a vessel of war. --R. H. Dana, Jr.
      [1913 Webster]