WordNet (r) 3.0 (2006):

American lobster
    n 1: flesh of cold-water lobsters having large tender claws;
         caught from Maine to the Carolinas [syn: American
         lobster, Northern lobster, Maine lobster]
    2: lobster of Atlantic coast of America [syn: American
       lobster, Northern lobster, Maine lobster, Homarus
       americanus]