[ spahy-nuh ]
/ ˈspaɪ nə /

noun, plural spi·nae [spahy-nee] /ˈspaɪ ni/. Anatomy, Zoology.

a spine or spinelike projection.

Nearby words

  1. spin wave,
  2. spin-dry,
  3. spin-dryer,
  4. spin-off,
  5. spin-out,
  6. spina bifida,
  7. spina bifida aperta,
  8. spina bifida cystica,
  9. spina bifida manifesta,
  10. spina bifida occulta

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. 2019

Examples from the Web for spina

Medicine definitions for spina


[ spīnə ]

n. pl. spi•nae (-nē)

A spine-shaped or sharp thornlike anatomical process.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.