Thesaurus.com
Dictionary.com
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 comprises 26 bones: the 24 vertebrae, the sacrum, and the coccyx bones.

From Textbooks • Jun. 9, 2022

In animals the sacrum and the coccyx, as a matter of fact, clearly continue the superior border of the skeleton of the trunk; hence we study them with the vertebral column.

From Artistic Anatomy of Animals by Cuyer, ?douard




Vocabulary lists containing coccyx


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "coccyx" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com