Dictionary
mas•to•don
Pronunciation: (mas'tu-don"), [key]—
n.
1. a massive, elephantlike mammal of the genus
Mammut (
Mastodon), that flourished worldwide from the Miocene through the Pleistocene epochs and, in North America, into recent times, having long, curved upper tusks and, in the male, short lower tusks.
2. a person of immense size, power, influence, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.