Definition of Coccyx
Coccyx: The small tail-like bone at the bottom of the spine, very near the anus. It is the lowest part of the spinal column. Also known as tailbone.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=2769
Last Editorial Review: 3/19/2012
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