Definition that contains aquatic mammal
- pod a group of aquatic mammals
- mink slender-bodied semiaquatic mammal having partially webbed feet; valued for its fur
- sirenian mammal any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs
- sirenian any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs
- sea cow any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs