'Urosacral' definitions:

Definition of 'Urosacral'

From: GCIDE

Urosacral \U`ro*sa"cral\, a. [2d uro- + sacral.] (Anat.) Of or pertaining to both the caudal and sacral parts of the vertebral column; as, the urosacral vertebrae of birds. [1913 Webster]