ALL meanings of sirenian
si·re·ni·an
S s - noun sirenian an aquatic, herbivorous mammal of the order Sirenia, including the manatee and dugong. 1
- adjective sirenian of, relating to, or belonging to the Sirenia, an order of aquatic herbivorous placental mammals having forelimbs modified as paddles, no hind limbs, and a horizontally flattened tail: contains only the dugong and manatees 0
- noun sirenian any animal belonging to the order Sirenia; a sea cow 0
- noun sirenian sea cow 0