/ Thesaurus / P Synonyms of pinniped mammal Find synonyms for: Noun1. pinniped mammal, pinniped, pinnatiped, aquatic mammalusage: aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language