Also spelled mastadon
noun
Freq #37699
Meanings
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1
noun
an extinct elephant-like mammal of the genus Mammut, distinguished from mammoths and elephants by the cone-shaped cusps on its molar teeth
The museum displayed a nearly complete mastodon skeleton from the Pleistocene epoch.
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2
noun
something awkwardly large, heavy, or unwieldy
His first mobile phone was a mastodon that barely fit in his coat pocket.
Thesaurus
Etymology
First attested in 1813, from the taxonomic name Mastodon, coined in 1806 by French naturalist Georges Cuvier from masto- ("breast") + -odon ("tooth"). The name refers to the nipple-shaped projections on the crowns of the extinct mammal's molars.