coccyx

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

Around the age of 70, the sacrum and the coccyx may fuse together.

From Textbooks • Jun. 9, 2022

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

In 42% the sacral canal is uncovered, and in some cases there is a prolongation of the coccyx, which resembles the stump of a tail, sometimes tufted with hair.

From Criminal Man According to the Classification of Cesare Lombroso by Lombroso, Gina