[spahy-nuh s]
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Origin of spinous

1630–40; < Latin spīnōsus; see spine, -ous
Related formsspi·nous·ness, nounin·ter·spi·nous, adjectivemul·ti·spi·nous, adjectivepost·spi·nous, adjectivesub·spi·nous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of spinous

British Dictionary definitions for spinous


adjective biology
  1. resembling a spine or thornthe spinous process of a bone
  2. having spines or spiny projections
  3. another word for spinose
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

spinous in Medicine


  1. Relating to, shaped like, or having a spine or spines.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.