mentum definition

  • noun:
    • The chin.
    • A chin-like projection underneath the lips of particular mollusks.
    • the leading median plate of the labium in insects. See labium.
    • The chin; the anterior and substandard part of the mandible or under jawbone of a mammal, with or without linked soft parts.
    • In entomology, the median or main and in most cases principal the main labium.
    • In botany, a projection as you're watching flower in some orchids, due to the expansion associated with foot of the column
    • a projection like a chin formed because of the sepals and base of the line in certain orchids
    • the protruding area of the reduced jaw
    • a projection underneath the lips of particular mollusks that resembles a chin

Related Sources

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