Lexic.us

Definition of Mastodon

1. Noun. Extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth.

Definition of Mastodon

1. n. An extinct genus of mammals closely allied to the elephant, but having less complex molar teeth, and often a pair of lower, as well as upper, tusks, which are incisor teeth. The species were mostly larger than elephants, and their remains occur in nearly all parts of the world in deposits ranging from Miocene to late Quaternary time.

Definition of Mastodon

1. Noun. A nickname for both the 4-8-0 and (though incorrectly) the 4-10-0 train configurations. ¹

2. Noun. 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. ¹

¹ Source: wiktionary.com

Definition of Mastodon

1. an extinct elephant-like mammal [n -S]

Medical Definition of Mastodon

1. An extinct genus of mammals closely allied to the elephant, but having less complex molar teeth, and often a pair of lower, as well as upper, tusks, which are incisor teeth. The species were mostly larger than elephants, and their romains occur in nearly all parts of the world in deposits ranging from Miocene to late Quaternary time. Origin: Gr. The breast +, a tooth. So called from the conical projections upon its molar teeth. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Mastodon

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