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
SPINE LIKE Defined for Kids


noun \ˈspīn\

Definition of SPINE for Kids

:  backbone 1
:  a stiff pointed part growing from the surface of a plant or animal
Medical Dictionary


noun \ˈspīn\

Medical Definition of SPINE

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


Next Word in the Dictionary: spinebillPrevious Word in the Dictionary: spindriftAll Words Near: spine
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears