noun
any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs
• Hypernyms: ↑aquatic mammal
• Hyponyms: ↑manatee, ↑Trichechus manatus, ↑dugong, ↑Dugong dugon, ↑Steller's sea cow, ↑Hydrodamalis gigas
• Member Holonyms: ↑Sirenia, ↑order Sirenia
Useful english dictionary. 2012.