Sacrum
//ˈsækɹəm//
"Sacrum" in a Sentence (2 examples)
When the sacral vertebrae are fused into a single structure, it is called the sacrum.
This page of the anatomy textbook contained a tabular chart showing the bones of the pelvis, including the sacrum.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.