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sacrum

Syllabification: (sac·rum)
Pronunciation: /ˈsakrəm, ˈsā-/

Translate sacrum | into Italian
Definition of sacrum

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.

Origin:

mid 18th century: from Latin os sacrum, translation of Greek hieron osteon 'sacred bone' (from the belief that the soul resides in it)

sacrum in other Oxford dictionaries

Definition of sacrum in the British & World English dictionary

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