tailbone

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noun tail·bone \-ˌbōn\

Circa 1577

First Known Use of tailbone

circa 1577


TAILBONE Defined for English Language Learners

tailbone

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noun tail·bone \-ˌbōn\

Definition of tailbone for English Language Learners

  • : the small bone at the end of the spine


Medical Dictionary

tailbone

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noun tail·bone \-ˈbōn, -ˌbōn\

Medical Definition of tailbone

  1. 1:  a caudal vertebra

  2. 2:  coccyx


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