The Collaborative International Dictionary
Sea crawfish
Sea crawfish \Sea" craw"fish`\ Sea crayfish \Sea" cray"fish`\ (Zo["o]l.) Any crustacean of the genus Palinurus and allied genera, as the European spiny lobster ( P. vulgaris), which is much used as an article of food. See Lobster.
WordNet
sea crawfish
n. large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters [syn: spiny lobster, langouste, rock lobster, crawfish, crayfish]