'Sacral' definitions:

Definition of 'sacral'

From: WordNet
adjective
Of or relating to or near the sacrum
adjective
Of or relating to sacred rites; "sacral laws"

Definition of 'Sacral'

From: GCIDE
  • Sacral \Sa"cral\, a. (Anat.) Of or pertaining to the sacrum; in the region of the sacrum. [1913 Webster]