Sirenia

2 definitions found

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

  Sirenia \Si*re"ni*a\, 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]

From WordNet (r) 2.0 [wn]:

  Sirenia
       n : manatees; dugongs; Stellar's sea cow [syn: {order Sirenia}]