Thesaurus.com
Dictionary.com
Showing results for coccyx. Search instead for coccou.
Definitions

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 coccyx is typically 3–4 vertebrae that fuse into one.

From Textbooks • Jun. 9, 2022

The adult vertebral column consists of 24 vertebrae plus the sacrum and coccyx.

From Textbooks • Jun. 19, 2013

The slender coccyx has a thin dorsal ridge on the anterior three-fourths of its length.

From Neotropical Hylid Frogs, Genus Smilisca by Duellman, William E.