砧きぬた骨こつ

noun

incus; anvil (ear bone)

Anatomical term for the middle ear bone shaped like an anvil. The reading きぬたこつ is standard; ちんこつ is a less common alternative reading.

• 砧きぬた骨こつは耳じ小しょう骨こつの一ひとつで、鼓こ膜まくの振しん動どうを内ない耳じに伝つたえる。

  The incus is one of the auditory ossicles and transmits vibrations from the eardrum to the inner ear.