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
noun
2.
any pinniped animal
Compare fissiped
Word origin
C19: from New Latin pinnipēs, from Latin pinna feather, fin + pēs foot
pinniped in American English
(ˈpɪnɪˌpɛd)
adjective
1.
having finlike feet or flippers
noun
2.
a pinniped carnivore, as a seal or walrus
Also ˌpinniˈpedian (ˈpɪnɪˈpidiən)
Word origin
< ModL Pinnipedia < L pinnapes, pinnipes, having winged feet < pinna, feather, fin (see pen2) + pes, foot