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1. Oxford Dictionary

   columella

   • IPA[ˌkɒljʊˈmɛlə]

   英式

   • n.
     an ossicle (small bone) of the middle ear of birds, reptiles, and amphibians.；the pillar around which the cochlea spirals.

   • noun: columella, plural noun: columellae

2. • 釋義

   n.

   名詞

   • 1. an ossicle (small bone) of the middle ear of birds, reptiles, and amphibians.
   • ▪ the pillar around which the cochlea spirals.
   • 2. the axis of a spiral shell.
   • 3. the axis of the spore-producing body of some lower plants.
3. • 更多解釋

   columella

   • IPA[ˌkäl(y)əˈmelə]

   美式

   • n.
     an ossicle of the middle ear of birds, reptiles, and amphibians.

   Oxford American Dictionary