mastodon

play
noun mas·to·don \ˈmas-tə-ˌdän, -dən\

Definition of mastodon

  1. 1 :  any of various extinct mammals (genus Mammut synonym Mastodon) of the elephant family existing from the Miocene through the Pleistocene that are distinguished from the related mammoths chiefly by molar teeth with cone-shaped cusps

  2. 2 :  one that is unusually large

mastodonic

play \ˌmas-tə-ˈdä-nik\ adjective

mastodont

play \ˈmas-tə-ˌdänt\ adjective or noun

Examples of mastodon in a Sentence

  1. mom-and-pop stores just can't compete with these mastodons of retailing

Recent Examples of mastodon from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mastodon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of mastodon

New Latin mastodont-, mastodon, from Greek mastos + odont-, odōn, odous tooth — more at tooth


MASTODON Defined for English Language Learners

mastodon

play
noun

Definition of mastodon for English Language Learners

  • : a type of animal that was related to the mammoth and that lived in ancient times



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