mentum
1. a projection like a chin formed by the sepals and base of the column in some orchids • Hypernyms: plant part, plant structure • Part Holonyms: orchid, orchidaceous plant 2. the protruding part of the lower jaw • Syn: chin • Hypernyms: feature, lineament • Hyponyms: double chin, buccula • Part Holonyms: face, human face • Part Meronyms: goatee 3. a projection below the mouth of certain mollusks that resembles a chin • Hypernyms: body part • Part Holonyms: insect, orchid, orchidaceous plant
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