noun \ˈspīn\

: the row of connected bones down the middle of the back

: a sharp, pointed part on an animal or plant

: courage or strength of character

Full Definition of SPINE

a :  spinal column
b :  something resembling a spinal column or constituting a central axis or chief support
c :  the part of a book to which the pages are attached and on the cover of which usually appear the title and author's and publisher's names
:  a stiff pointed plant process; especially :  one that is a modified leaf or leaf part
:  a sharp rigid process on an animal: as
a :  spicule
b :  a stiff unsegmented fin ray of a fish
c :  a pointed prominence on a bone
spined \ˈspīnd\ adjective
spine·like \-ˌlīk\ adjective

Examples of SPINE

  1. This X-ray shows her spine.
  2. Hedgehogs are covered with spines.
  3. They lack the spine to do what needs to be done.

Origin of SPINE

Middle English, thorn, spinal column, from Latin spina; perhaps akin to Latin spica ear of grain
First Known Use: 15th century


noun \ˈspīn\   (Medical Dictionary)

Medical Definition of SPINE

: a pointed prominence or process (as on a bone)


Next Word in the Dictionary: spinebill
Previous Word in the Dictionary: spindrift
All Words Near: spine

Seen & Heard

What made you want to look up spine? Please tell us where you read or heard it (including the quote, if possible).