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coccyx

[kok-siks] / ˈkɒk sɪks /
NOUN
small of the back
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The boy was fifteen, skinny, almost malnourished, so that the hip bones and coccyx stood out sharply.

From The Wall Street Journal • Nov. 11, 2025

Following this evolutionary split, the group of apes that includes present-day humans evolved the formation of fewer tail vertebrae, giving rise to the coccyx, or tailbone.

From Science Daily • Feb. 28, 2024

The spinal column is composed of the seven cervical vertebrae, the nine thoracic vertebra, the four lumbar vertebrae, the sacrum, and the coccyx.

From Textbooks • Jan. 1, 2015

The sacrum is derived from the fusion of five sacral vertebrae and the coccyx is formed by the fusion of four small coccygeal vertebrae.

From Textbooks • Jun. 19, 2013

The bone immediately below the sacrum, called the coccyx, is essentially the representative of the tail in man.

From Degeneracy Its Causes, Signs and Results by Talbot, Eugene S.




Vocabulary lists containing coccyx