Noun | 1. | Crangonidae - shrimps arthropod family - any of the arthropods Natantia, suborder Natantia - shrimp; prawns; etc. Crangon, genus Crangon - type genus of the family Crangonidae shrimp - small slender-bodied chiefly marine decapod crustaceans with a long tail and single pair of pincers; many species are edible |