Di-pro′to-don
,
[Gr.
δι-
=
δίσ-
twice + [GREEK] first +
ὀδούς
,
ὀδόντος
, tooth.]
(Paleon.)
An extinct Quaternary marsupial from Australia, about as large as the hippopotamus; – so named because of its two large front teeth. See Illustration in Appendix.