coccyx

Meaning

The final (bottom-most) fused vertebrae at the base of the spine, the tailbone.

Frequency

45k
Pronounced as (IPA)
/ˈkɑksɪks/
Etymology

From Latin coccyx, from Ancient Greek κόκκυξ (kókkux, “cuckoo”), referring to the curved shape of a cuckoo's beak when viewed from the side.

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