Found 2 items, similar to mentum.
English → English (WordNet) Definition: mentum 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
English → English (gcide) Definition: mentum mentum \men"tum\, n. [L., chin.] (Zo["o]l.) The front median plate of the labium in insects. See Labium. [1913 Webster]