• WordNet 3.6
    • n pinniped aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers
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Webster's Revised Unabridged Dictionary
    • n Pinniped (Zoöl) One of the Pinnipedia; a seal.
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Century Dictionary and Cyclopedia
    • pinniped Fin-footed, in any sense; having feet like fins or flippers. Specifically Having flippers, as a seal; pinnigrade; belonging to the Pinnigrada or Pinnipedia, as a mammal.
    • n pinniped A member of the Pinnipedes or Pinnipedia: opposed to fissiped.
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Chambers's Twentieth Century Dictionary
    • Pinniped fin-footed, as a bird
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Webster's Revised Unabridged Dictionary
L. pinna, feather, fin + pes, pedis, a foot: cf. F. pinnipède,
Chambers's Twentieth Century Dictionary
L. pinna, a feather, dim. pinnula.


In news:

Pinniped serenade Seal experts to Marin: Be kind to our fin-footed friends.
New pinniped problem for La Jolla.
Not many divers visit the sea lion colonies at Santa Barbara Island, and visitors are eagerly welcomed by throngs of curious pinnipeds.
Sea lions are pinnipeds characterized by external ear flaps, long foreflippers, the ability to walk on all fours, and short, thick hair.