Spine

Spine is a word with several related uses. People often talk about a mountain range or a continent having a 'spine'. Its major use however, is to refer to the column of vertebrae which form the backbone of all vertebrate organisms, supporting the body and protecting the spinal cord from damage.

See the following entries for more specific details:

• spine (anatomy)
• spine (biology)

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The spine of a book is the part where the edges of all pages, or the creases of all folded sheets, are joined together.

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