| Prawn (n.) Any one of numerous species of large shrimplike Crustacea having slender legs and long antennae. They mostly belong to the genera Pandalus, Palaemon, Palaemonetes, and Peneus, and are much used as food. The common English prawn is Palaemon serratus. Thesaurus Entries Dungeness crab, Japanese crab, blue point, clam, coquillage, crab, crawdad, crawfish, crayfish, langouste, limpet, littleneck clam, lobster, mussel, oyster, periwinkle, quahog, scallop, shellfish, shrimp, snail, soft-shell crab, steamer, whelk |