[1] : The Collaborative International Dictionary of English v.0.48

sirenia \sire"nia\, n. pl. nl. zool.
   an order of large aquatic herbivorous mammals, including the
   manatee, dugong, rytina, and several fossil genera.
   1913 webster

   note: the hind limbs are either rudimentary or wanting, and
         the front ones are changed to paddles. they have horny
         plates on the front part of the jaws, and usually
         flat-crowned molar teeth. the stomach is complex and
         the intestine long, as in other herbivorous mammals.
         see cetacea
   b .
       1913 webster
see also:
cetacea 

[2] : WordNet (r) 2.0

sirenia
     n : manatees; dugongs; stellar's sea cow syn: order sirenia
see also:
order sirenia 

Sirenia >> S Words
Sirenia, definition of term: Sirenia
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