Adjacent Words

sacrum definitions

	Tweet

WordNet (r) 3.0 (2005)

n
1: wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx

Merriam Webster's

noun (plural sacra) Etymology: New Latin, from Late Latin os sacrum last bone of the spine, literally, holy bone, translation of Greek hieron osteon Date: 1753 the part of the vertebral column that is directly connected with or forms a part of the pelvis and in humans consists of five fused vertebrae

Oxford Reference Dictionary

n. (pl. sacra or sacrums) Anat. a triangular bone formed from fused vertebrae and situated between the two hip-bones of the pelvis. Etymology: L os sacrum transl. Gk hieron osteon sacred bone (from its sacrificial use)

Webster's 1913 Dictionary

Sacrum Sa"crum, n.; pl. sacra. [NL., fr. L. sacer sacred, os sacrum the lowest bone of the spine.] (Anat.) 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[ae], which diminish in size very rapidly to the posterior extremity, which bears the coccyx.