mentum

n. [昆]頦

學術名詞

• 頦：動物學、人體解剖學
• 頤：動物學
• 下巴：動物學
• 下唇莖節：動物學
• 蘭花蕊柱基部〔的〕突出部：植物學

英文釋義

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
3. a projection below the mouth of certain mollusks that resembles a chin