- any of the Clupeidae, a family of chiefly marine, teleostean fishes, including the herrings, sardines, menhaden, and shad.
- belonging or pertaining to the family Clupeidae.
- any widely distributed soft-finned teleost fish of the family Clupeidae, typically having oily flesh, and including the herrings, sardines, shad, etc
- of, relating to, or belonging to the family Clupeidae