Found 2 items, similar to sacra.
English → English (WordNet)
Definition: sacra
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)]
sacra
See
sacrum
English → English (gcide)
Definition: sacra
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]