Synonyms
Antonyms
1. sacrum
noun. wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx.
Synonyms
- pelvis
- os
- bone
- sacral vertebra
- pelvic arch
- hip
Antonyms
- boneless
- uninformed
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Example sentences of the word sacrum
1. Noun, singular or mass
Find the sacrum and move your finger to the point a few finger widths away from the middle of the sacrum.