malleus
noun [ C usually singular ] anatomy specialized uk/ˈmæl.i.əs/ us/ˈmæl.i.əs/ mallei /ˈmæl.i.aɪ/ /ˈmæl.i.aɪ/
锤骨（引导声波从中耳传至内耳的三块小骨之一）
one of three very small bones that carry sound from the eardrum to the inner ear
Compare: incusstapes