Origin: ModL < LL (os) sacrum, lit., sacred (bone), transl. of Gr hieron osteon < hieron, sacred, ? last (< hieros: see hiero-) + osteon: see ossify
See sacrum in American Heritage Dictionary 4
noun pl. sa·cra (sāˈkrə, săkˈrə)
Origin:
Origin: New Latin
Origin: , from Late Latin (os) sacrum (translation of Greek hieron (osteon), sacred (bone))
Origin: , neuter of Latin sacer, sacred; see sacred
.sacrum
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