Mastodon (New Universe)
WordNet
noun
(1) Extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth
WiktionaryText
Etymology
Coined by Georges Cuvier, from mastos, "breast" + -dont, "tooth," from the similarity of the nipple-like projections on the crowns of the extinct mammal's molars.
Proper noun
Mastodon
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Noun
- A nickname for both the 4-8-0 and (less frequently) the 4-10-0 train configurations.