Mentum

[mentәm]

解释:

(noun.) a projection below the mouth of certain mollusks that resembles a chin.

(noun.) a projection like a chin formed by the sepals and base of the column in some orchids.

编辑:路易斯--From WordNet

解释:

(n.) The front median plate of the labium in insects. See Labium.

录入:普勒斯顿

解释:

n. the chin: the central part of the labium in insects: (bot.) a projection in front of the flower in some orchids.—n. Mentag′ra an eruption about the chin forming a crust.—adj. Men′tal (anat.) pertaining to the chin.

录入:诺兰