Sacrum (noun) Definition, Meaning & Examples

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noun, plural sac·ra [sak-ruh, sey-kruh]. /ˈsæk rə, ˈseɪ krə/. Anatomy.
  1. a bone resulting from the fusion of two or more vertebrae between the lumbar and the coccygeal regions, in humans being composed usually of five fused vertebrae and forming the posterior wall of the pelvis.
noun plural -cra (-krə)
  1. (in man) the large wedge-shaped bone, consisting of five fused vertebrae, in the lower part of the back
  2. the corresponding part in some other vertebrates
Plural sacra
    Sacrum (noun) Definition, Meaning & Examples

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