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Sacrum
Pronunciation : sa"crum
Part of Speech : n.;
Etymology : [NL., fr. L. sacer sacred, os sacrum the lowest bone of the spine.] (Anat.)
Definition : Defn: That part of the vertebral column which is directly connected with, or forms a part of, the pelvis.
Note: It may consist of a single vertebra or of several more or less consolidated. In man it forms the dorsal, or posterior, wall of the pelvis, and consists of five united vertebr?, which diminish in size very rapidly to the posterior extremity, which bears the coccyx.
pl. sacra (.
Source : Webster's Unabridged Dictionary, 1913
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