| sea cow | (n) any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs, Syn. sirenian, sirenian mammal |
| Sirenian | n. (Zool.) Any species of Sirenia. [ 1913 Webster ] |
| Sirenen { pl }; Manateen und Dugong; Seekühe [ zool. ] | sirenians; manatees and dugong [Add to Longdo] |