spine

/spain/
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spine

The title and author are printed on the spine of the book.

Definition
  1. Noun:
    • A series of vertebrae forming the central support structure of the skeleton: The "spine" is the backbone or vertebral column, which protects the spinal cord and provides structural support for the body.
    • A sharp, rigid, pointed projection on an animal or plant: This refers to a natural, needle-like structure, such as a quill on a porcupine or a thorn on a plant.
    • The part of a book's cover that connects the front and back covers: The "spine" is the narrow, vertical edge of a book that faces outward on a shelf and typically bears the title and author's name.
Examples of Usage
  • Referring to the backbone:
    • He injured his spine in the accident.
    • The spine provides crucial support for the human body.
  • Referring to a sharp projection:
    • The cactus is covered in sharp spines.
    • The porcupine raises its spines when threatened.
  • Referring to a book part:
    • The book's spine was cracked from years of use.
    • Look for the author's name on the spine of the book.
Advanced Usage
  • "To send a shiver down someone's spine": To cause a sudden feeling of fear, excitement, or thrill.
    • The eerie sound sent a shiver down my spine.
  • "The spine of something" (figurative): The central or most important support or feature of something.
    • These principles form the spine of our legal system.
Variants and Related Words
  • Spinal (adj): Relating to the spine or backbone.
    • He suffered a spinal injury.
  • Spinous (adj): Having spines; spiny.
    • A spinous plant.
  • Spiky (adj): Having many spikes or sharp points (similar in concept to spiny).
    • Spiky hair.
Synonyms
  • Backbone: The spine, especially as a symbol of strength or resolve.
  • Vertebral column: The technical term for the spine.
  • Thorn: A sharp, woody projection on a plant (a specific type of spine).
  • Quill: A sharp, hollow spine on an animal like a porcupine.
Related Phrases
  • Spine-tingling: Causing a thrilling or frightening sensation, often like a shiver down the spine.
    • It was a spine-tingling horror story.
  • To have a spine (idiomatic): To have courage or fortitude.
    • You need to have a spine and stand up for yourself.
Related Idioms
  • Chill to the spine: To frighten or horrify someone deeply.
    • The witness's testimony was a chill to the spine.
  • Stiffen one's spine: To become more determined or courageous.
    • The challenge made him stiffen his spine and fight harder.
spine

The title and author are printed on the spine of the book.

Noun
  1. a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin
  2. the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved
    • the title and author were printed on the spine of the book
  3. a small sharp-pointed tip resembling a spike on a stem or leaf
  4. any sharply pointed projection
  5. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
    • the fall broke his back