English Dictionary

mastodon

/ˈmæstədɑn/

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.

The mastodon is an extinct elephant-like mammal.

意味（1）

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.

When, exactly, Europeans first stumbled upon the bones of an American mastodon is unclear. An isolated molar unearthed in a field in upstate New York was sent off to London in 1705; it was labeled the “tooth of a Giant”.

意味（2）

(figuratively) Anything big or clunky.

The battery is dying, and Natalia's iPhone charger doesn't fit my mastodon of a phone anyway.