men·​tum ˈmen-təm How to pronounce mentum (audio)
plural menta ˈmen-tə How to pronounce mentum (audio)
: a median plate of the labium of an insect

Examples of mentum in a Sentence

Recent Examples on the Web The name actually comes from the Latin mentum, meaning chin, which is where the gland is located in the male lungless salamander. National Geographic, 14 Jan. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mentum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin, chin — more at mouth

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of mentum was in 1826

Dictionary Entries Near mentum

Cite this Entry

“Mentum.” Dictionary, Merriam-Webster, Accessed 29 Nov. 2023.

Medical Definition


men·​tum ˈment-əm How to pronounce mentum (audio)
plural menta -ə How to pronounce mentum (audio)
: chin
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