Source : Webster's Revised Unabridged Dictionary (1913)

Dorsiferous \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.