| crayfish | Various freshwater crustaceans resembling the lobster, but usually much smaller; common genera are astacus, cambarus, oronectes, and pacifastacus. It includes crayfish as food. (12 Dec 1998) |
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| sea crayfish | <zoology> 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. Source: Websters Dictionary (01 Mar 1998) |
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