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1. (pr. cock-six) Medical term for tailbone. Small triangular bone found at the base of the spine. The number of sections in normal humans vary from 1-3.
by The Troll July 17, 2005
3
Doctor: Whats the last bone in the vertebral column that encompasses the spinal cord
Student: The Coccyx
Student: The Coccyx
by drafty01 April 03, 2021