DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   sea
       n 1: a division of an ocean or a large body of salt water
            partially enclosed by land
       2: anything apparently limitless in quantity or volume [syn:
          ocean, sea]
       3: turbulent water with swells of considerable size; "heavy
          seas"