Pronunciation: kok'siks, -si-jis, -si-jes
Definition: The small bone at the end of the vertebral column in humans, formed by the fusion of four rudimentary vertebrae; it articulates above with the sacrum.
[G. kokkyx, a cuckoo, the coccyx]
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.