Found 2 items, similar to sacrum.
English → English (WordNet) Definition: sacrum sacrum n : 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 [also: sacra (pl)]
English → English (gcide) Definition: Sacrum 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. [1913 Webster] 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. [1913 Webster]