- any of the nerves arising in five pairs from the spinal cord in the sacrum.
Origin of sacral nerve
First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Any of five nerves emerging from the sacral foramina: the first three enter into the formation of the sacral plexus, and the second two into the coccygeal plexus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.