noun🔗Share下顎The lower jaw, especially the lower jawbone."The dog wagged its tail and opened its mandible wide, ready for a treat. "犬は尻尾を振り、ご褒美をもらう準備をして、大きく下顎を開けました。anatomybodymedicinephysiologyorganpartanimalhumanChat with AIVocabulary GamePractice Reading
noun🔗Share大あごOne of a pair of mouthparts of an arthropod, designed for holding and cutting food."The ant used its mandible to carry a crumb of bread back to its nest. "アリは、パンくずを巣に運ぶために大あごを使いました。anatomybiologyanimalinsectpartorganphysiologyChat with AIVocabulary GamePractice Reading