- belonging to the Pinnipedia, a suborder of carnivores with limbs adapted to an aquatic life, including the seals and walruses.
- a pinniped animal.
- of, relating to, or belonging to the Pinnipedia, an order of aquatic placental mammals having a streamlined body and limbs specialized as flippers: includes seals, sea lions, and the walrus
- any pinniped animal
