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Noun: sirenian  sI'ree-nee-un
  1. Any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs
    - sea cow, sirenian mammal

Derived forms: sirenians

Type of: aquatic mammal

Part of: order Sirenia, Sirenia

Encyclopedia: Sirenian