incus
noun [ C usually singular ] anatomy specialized uk/ˈɪŋ.kəs/ us/ˈɪŋ.kəs/ incudes /ˈɪŋ.kju.diːz/ /ˈɪŋ.kju.diːz/
砧骨（耳内三小骨之一，将声音从鼓膜传至内耳）
one of three very small bones that carry sound from the eardrum to the inner ear
Synonym: anvil (BONE)
Compare: malleusstapes