Simple Definition of coccyx

from our Learner's Dictionary

coccyx

noun

ˈkɑːksɪks

plural coccyges ˈkɑːksəˌʤiːz

also coccyxes ˈkɑːksɪksəz

technical : the small bone at the end of the spine : tailbone

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“Coccyx.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/coccyx. Accessed 21 Jun. 2026.

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