spinous definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- like a spine or thorn in form
- thorny; nettling
Origin: Classical Latin spinosus
spinous definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Resembling a spine or thorn.
- Having spines or similar projections; spiny.
spinous - Medical Definition
Relating to, shaped like, or having a spine or spines.