Any one of numerous species of large shrimplike Crustacea having slender legs and long antennæ. They mostly belong to the genera Pandalus, Palæmon, Palæmonetes, and Peneus, and are much used as food. The common English prawn is Palæmon serratus.
- Any of various edible crustaceans similar to but larger than the shrimps.
- To fish for prawns.