Hypertext Webster Gateway: "mentum"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Mentum \Men"tum\, n. [L., chin.] (Zo["o]l.)
The front median plate of the labium in insects. See
{Labium}.
From WordNet (r) 1.7 (wn)
mentum
n 1: a projection like a chin formed by the sepals and base of
the column in some orchids
2: the protruding part of the lower jaw [syn: {chin}]
3: a projection below the mouth of certain mollusks that
resembles a chin
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