MAS'TODON, n. [Gr. mamilla, and tooth.] A genus of mammiferous animals resembling the elephant, now extinct, and known only by their fossil remains. It includes the N. American mammoth.
MAS'TO-DON, n. [Gr. μαστος, mamilla, and οδους, a tooth.]
A genus of mammiferous and pachydermatous animals resembling the elephant, now extinct, and known only by their fossil remains.
- An extinct genus of
mammals closely allied to the elephant, but having less complex molar
teeth, and often a pair of lower, as well as upper, tusks, which are
incisor teeth. The species were mostly larger than elephants, and
their remains occur in nearly all parts of the world in deposits
ranging from Miocene to late Quaternary time.