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coccyx

play
noun coc·cyx \ˈkäk-siks\

Simple Definition of coccyx

  • : the small bone at the end of the spine

Full Definition of coccyx

plural coc·cy·ges play \ˈkäk-sə-ˌjēz\ also coc·cyx·es play \ˈkäk-sik-səz\

  1. :  a small bone that articulates with the sacrum and that usually consists of four fused vertebrae which form the terminus of the spinal column in humans and tailless apes

Origin of coccyx

New Latin, from Greek kokkyx cuckoo, coccyx; from its resemblance to a cuckoo's beak


First Known Use: 1615


Medical Dictionary

coccyx

play
noun coc·cyx \ˈkäk-siks\

Medical Definition of coccyx

plural coc·cy·ges \ˈkäk-sə-ˌjēz\play also coc·cyx·es \ˈkäk-sik-səz\play

  1. :  a small bone that articulates with the sacrum and that usually consists of four fused vertebrae which form the terminus of the spinal column



Illustration of coccyx


Learn More about coccyx

  1. Medical Dictionary: Definition of "coccyx" Britannica.com: Encyclopedia article about "coccyx"


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