Definition of Sirenia in English:

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Pronunciation: /sīˈrēnēə/
An order of large aquatic plant-eating mammals that includes the manatees and dugong. They live chiefly in tropical coastal waters and are distinguished by paddlelike forelimbs and a tail flipper replacing hind limbs.
  • Order Sirenia: two families and four living species.
Example sentences
  • Belonging to the order Sirenia, dugongs are believed to have given rise to the mermaid myth.
  • Marine mammals are divided into three orders: Carnivora, Sirenia and Cetacea.
  • Dugongs belong to the mammalian order Sirenia and are popularly known as sea-cows.


Modern Latin (see siren).

For editors and proofreaders

Syllabification: Si·re·ni·a

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