from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Protrusion of a part of an intervertebral disk through the fibrocartilage, occurring usually in the lower lumbar region and often causing back pain or sciatica.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A vertebral disk that protrudes into the spinal canal, exerting pressure on spinal nerves and causing backache or sciatica.
Sorry, no etymologies found.