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 (măs′tə-dŏn′) also mas·to·dont (-dŏnt′)
Any of several very large, extinct proboscidian mammals of the family Mammutidae of the Miocene, Pliocene, and Pleistocene Epochs, resembling elephants but having molar teeth of a different structure.

[New Latin Mastodōn, genus name : Greek mastos, breast, nipple + Greek odōn, tooth (from the nipple-shaped protrusions on the crowns of its molars); see dent- in Indo-European roots.]

mas′to·don′ic adj.


very large and powerful
References in classic literature ?
Even in the hands of the giant green men bridle reins would be hopelessly futile against the mad savagery and mastodonic strength of the thoat, and so they are guided by that strange telepathic power with which the men of Mars have learned to communicate in a crude way with the lower orders of their planet.
At season's end the New York Times piled on praise for "the mastodonic mauler of the Boston Red Sox," labeling him "the greatest batsman the game has ever known." (16) And when Ruth declared his intention not to play with the Red Sox in 1920 unless they doubled his $10,000 salary, the Yankees must have quivered with a sense of opportunity.
Elephant Song: A howling feedback overture gives way to thunderous riff - not so much elephantine as mastodonic - reminiscent of Led Zep's finest hour When The Levee Breaks.