coccyx

play
noun coc·cyx \ˈkäk-siks\

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


COCCYX Defined for English Language Learners

coccyx

play
noun coc·cyx \ˈkäk-siks\

Definition of coccyx for English Language Learners

  • : the small bone at the end of the spine


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


Learn More about coccyx


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