\Dor*sif"er*ous\,. [Dorsum + -ferous; cf. F.
dorsif[`e]re.] (Biol.)
Bearing, or producing, on the back; -- applied to ferns which
produce seeds on the back of the leaf, and to certain
Batrachia, the ova of which become attached to the skin of
the back of the parent, where they develop; dorsiparous.