WordNet (r) 3.0 (2006):

langouste
    n 1: warm-water lobsters without claws; those from Australia and
         South Africa usually marketed as frozen tails; caught also
         in Florida and California [syn: spiny lobster,
         langouste, rock lobster, crayfish]
    2: large edible marine crustacean having a spiny carapace but
       lacking the large pincers of true lobsters [syn: spiny
       lobster, langouste, rock lobster, crawfish,
       crayfish, sea crawfish]