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Word of the Day Tuesday, June 9, 2026

coccyx

/kɒksɪks/ noun · British & US
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What does coccyx mean?

noun

The triangular bone at the lower end of the spine, formed by the fusion of four caudal vertebrae. It is located at the base of the spine, between the buttocks.

Example

"The doctor examined the patient's coccyx after the fall."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for coccyx

Rhymes with coccyx

Etymologically related