• synonyms


noun, plural spi·nae [spahy-nee] /ˈspaɪ ni/. Anatomy, Zoology.
  1. a spine or spinelike projection.
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Origin of spina

1350–1400; Middle English < Latin spīna thorn, backbone; see spine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for spinae

Historical Examples

  • The children are called "Spinae ac vepres, nec nominandi proles."

    Christianity and Islam in Spain (756-1031)

    Charles Reginald Haines

spinae in Medicine


n. pl. spi•nae (-nē)
  1. A spine-shaped or sharp thornlike anatomical process.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.