Main Entry: si·re·ni·an

Pronunciation: \sī-ˈrē-nē-ən\

Function: noun

Etymology: New Latin Sirenia, from Latin siren

Date: 1883

: any of an order (Sirenia) of aquatic herbivorous mammals (as a manatee, dugong, or Steller's sea cow) that have large forelimbs resembling paddles, no hind limbs, and a flattened tail resembling a fin

— sirenian adjective