n. 儒艮(海生哺乳动物)

[ noun ]
sirenian tusked mammal found from eastern Africa to Australia; the flat tail is bilobate
<noun.animal>

Dugong \Du*gong"\ (d[.u]*g[o^]g"), n. [Malayan d[=u]y[=o]ng, or
Javan. duyung.] (Zo["o]l.)
An aquatic herbivorous mammal ({Halicore dugong}), of the
order {Sirenia}, allied to the manatee, but with a bilobed
tail. It inhabits the Red Sea, Indian Ocean, East Indies, and
Australia. [Written also {duyong}.]