spinous process

Origin of spinous process

First recorded in 1725–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

spinous process in Medicine

spinous process

n.
  1. sphenoidal spine
  2. The dorsal projection from the center of a vertebral arch.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.