/ Dictionary / Index P pinniped: Meaning and Definition of Find definitions for: pin•ni•ped Pronunciation: (pin'u-ped"), [key] — adj. belonging to the Pinnipedia, a suborder of carnivores with limbs adapted to an aquatic life, including the seals and walruses. —n. a pinniped animal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pinniped (Thesaurus) pinnigrade pinnula Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language