Aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers

• Seal or walrus

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Pinniped \Pin"ni*ped\, n. [L. pinna feather, fin + pes, pedis, a foot: cf. F. pinnip[`e]de.] (Zo["o]l.) One of the Pinnipedia; a seal. One of the Pinnipedes.

Wikipedia Word definitions in Wikipedia
Pinnipeds (from Latin pinna "fin" and pes, pedis "foot"), commonly known as seals , are a widely distributed and diverse clade of carnivorous , fin-footed, semiaquatic marine mammals . They comprise the extant families Odobenidae (whose only living member ...

WordNet Word definitions in WordNet
n. aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers [syn: pinniped mammal , pinnatiped ]

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1842, from Modern Latin Pinnipedia , suborder of aquatic carnivorous mammals (seals and walruses), literally "having feet as fins," from Latin pinna in secondary sense "fin" (see pin (n.)) + pes , genitive pedis "foot" (see foot (n.)).

Wiktionary Word definitions in Wiktionary
a. Pertaining to or similar to such a mammal. n. Any of various large marine mammals belonging to the superfamily (formerly considered a suborder) ''Pinnipedia '' comprising walruses, eared seals and earless seals.