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See sea cow.
[From New Latin Sīrēnia, order name, from Latin Sīrēn, Siren; see siren.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Animals) 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
(Animals) any animal belonging to the order Sirenia; a sea cow
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
si•re•ni•an(saɪˈri ni ən)
an aquatic, herbivorous mammal of the order Sirenia, including the manatee and dugong.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||sirenian - any of two families of large herbivorous aquatic mammals with paddle-shaped tails and flipper-like forelimbs and no hind limbs|
aquatic mammal - whales and dolphins; manatees and dugongs; walruses; seals
manatee, Trichechus manatus - sirenian mammal of tropical coastal waters of America; the flat tail is rounded
dugong, Dugong dugon - sirenian tusked mammal found from eastern Africa to Australia; the flat tail is bilobate
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