JMdict: 1724130

尾骨 【びこつ】

  1. [n,adj-no] coccyx; tailbone
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
尾 Tail, End, Counter For Fish, Lower Slope Of Mountain ビ お
骨 Skeleton, Bone, Remains, Frame コツ ほね 6