Synset
whales and dolphins; manatees and dugongs; walruses; seals
<noun.animal>
aquatic mammal
semantic pointers
hypernym
placental, placental mammal, eutherian, eutherian mammal
hyponym
cetacean, cetacean mammal, blower
sea cow, sirenian mammal, sirenian
pinniped mammal, pinniped, pinnatiped
part meronym
flipper