n.
Degeneration of the spinal column, especially a fusion and immobilization of the vertebral bones.
[Greek sphondulos, spondulos, vertebra + -OSIS.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
