What is a synonym for "mentum"?

Common synonyms include: chin, button, chins, labial plate, mental eminence, mouthpart plate.

Mentum

/ˈmɛn.təm/ noun

noun ·Rare ·Advanced level

Noun

1
The chin.
2
a projection below the mouth of certain mollusks that resembles a chin wordnet
3
A chin-like projection below the mouth of certain mollusks.
4
the protruding part of the lower jaw wordnet
5
The central part of the labium in insects.

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6
a projection like a chin formed by the sepals and base of the column in some orchids wordnet
7
A projection in front of the flower in some orchids.

Learned borrowing from Latin mentum (“the chin”). Doublet of menton.