\Lep`i*do*si"ren\ (-s[imac]"r[e^]n), n. [Gr. lepi`s
-i`dos, a scale + seirh`n a siren.] (Zo["o]l.)
An eel-shaped ganoid fish of the order Dipnoi, having both
gills and lungs. It inhabits the rivers of South America. The
name is also applied to a related African species
({Protopterus annectens}). The lepidosirens grow to a length
of from four to six feet. Called also {doko}.