mastodon

Noun

A large, extinct, elephant-like mammal of the Pliocene and Pleistocene epochs.
extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth
Extinct elephant-like mammal of the genus †Mammut that flourished worldwide from Miocene through Pleistocene times; differs from elephants and mammoths in the form of the molar teeth.
Anything awkwardly large or unwieldy.

Examples

His opponent pulled out ’MASTODON’ for a huge score, a truly ancient and massive play.

Origin / Etymology

First attested 1813, from translingual Mastodon (1806), coined by French naturalist Georges Cuvier, from masto- (“breast”) + -odon (“tooth”), due to the mammilloid (“nipple-shaped”) projections on the crowns of the extinct mammal's molars.

Synonyms

mastodont, incognitum

Scrabble Score: 11

mastodon: valid Scrabble (US) TWL Word
mastodon: valid Scrabble Word in Merriam-Webster MW Dictionary
mastodon: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

mastodon: valid Words With Friends Word