noun ·Uncommon ·Advanced level

Definitions

Noun

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

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

Synonyms

All synonyms

buttonchinchin

Etymology

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

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.