First Known Use: 1615
Dictionary
coccyx
noun coc·cyx \ˈkäk-siks\
: the small bone at the end of the spine
plural coc·cy·ges \ˈkäk-sə-ˌjēz\ also coc·cyx·es \ˈkäk-sik-səz\
Full Definition of COCCYX
: 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
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Origin of COCCYX
New Latin, from Greek kokkyx cuckoo, coccyx; from its resemblance to a cuckoo's beak
Medical Dictionary
coccyx
noun coc·cyx \ˈkäk-siks\
plural coc·cy·ges \ˈkäk-sə-ˌjēz\ also coc·cyx·es \ˈkäk-sik-səz\
Medical Definition of COCCYX
: 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
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