Hypertext Webster Gateway: "sirenian"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Sirenian \Si*re"ni*an\, n. (Zo["o]l.)
Any species of Sirenia.
From WordNet (r) 1.7 (wn)
sirenian
n : any of two families of large herbivorous aquatic mammals
with paddle-shaped tails and flipper-like forelimbs and
no hind limbs [syn: {sea cow}, {sirenian mammal}]
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