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coccyx

play
noun coc·cyx \ˈkäk-siks\

Simple Definition of coccyx

  • : the small bone at the end of the spine

Source: Merriam-Webster's Learner's Dictionary

Full Definition of coccyx

plural

coccyges

play \ˈkäk-sə-ˌjēz\ also

coccyxes

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 and Etymology 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

coccyges

\ˈkäk-sə-ˌjēz\play also

coccyxes

\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


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