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| si·re·ni·an [ sī rnee ən ] (plural si·re·ni·ans) |
noun |
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| Definition: |
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large sea mammal: a herbivorous placental sea mammal that has forelimbs like paddles, no hind limbs, and a broad flat tail. The dugong and manatee are sirenians. Order Sirenia.
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| [Late 19th century. < modern Latin Sirenia< Latin Siren (see siren)] |
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 si·re·ni·an adjective |
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