tailbone

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Etymology

From tail + bone.

Pronunciation

• (RP) IPA: /ˈteɪlˌbəʊn/
• (America) IPA: /ˈteɪlˌboʊn/

Noun

tailbone (plural tailbones)

1. (informal) The final fused vertebrae at the base of the spine; the coccyx.

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