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尾てい骨 (biteikotsu) Japanese meaning: coccyx | Kotomora

尾びてい骨こつ

び

て

い

こ

つ

Freq.FrequencyTop 100,000

Meanings

1

coccyx; tailbone

Anatomical term for the small triangular bone at the base of the spine.

See also: 尾骨

転ころんで尾びてい骨こつを打うった

。

I fell and hit my tailbone.

Kanji

尾tail, end, counter for fish
骨skeleton, bone, remains
骶coccyx, backbone, hips

Related words

尾び骨こつ
尾骨 is a more formal medical term for coccyx; 尾てい骨 is the common everyday word.

Written forms

尾びてい骨こつ
Standard kanji spelling; 尾骶骨 is a less common variant.
尾び骶てい骨こつ
Variant spelling using 骶; less common than 尾てい骨.

Etymology

Compound of 尾 (tail) + てい (骶, sacrum) + 骨 (bone). The てい is from 骶骨 (sacrum), so the whole means 'tail-sacrum bone'.