Definition of sacrum in English:
sacrum
Syllabification: sac·rumPronunciation: /ˈsakrəm, ˈsā-
/
noun
( plural sacra /ˈsakrə, ˈsā-/ or sacrums)
Anatomy - a triangular bone in the lower back formed from fused vertebrae and situated between the two hipbones of the pelvis.More example sentences
- The lowest lumbar vertebra articulates with the sacrum, and this in turn with the coccyx.
- Vesalius said that the human sacrum normally has five vertebrae but one of six is by no means rare.
- X rays may show inflammation where the sacrum meets the pelvis.
Origin
mid 18th century: from Latin os sacrum, translation of Greek hieron osteon 'sacred bone' (from the belief that the soul resides in it).
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