Dictionary > English Dictionary > Definition, synonym and antonym of spine
Meaning of spine by Wiktionary Dictionary



    From Old French espine ( modern French épine ) or its source, Latin spīna .


    • ( UK, US ) IPA: /spaɪn/
    • Rhymes: -aɪn


    spine ( plural: spines )

    1. A person or thing's backbone; the series of bones collectively from one's ( literal or figurative ) head to tail or pelvis.
    2. A rigid, pointed surface protuberance or needle-like structure on an animal, shell, or plant.
    3. Courage or assertiveness.
    4. The narrow, bound edge of a book.


Explanation of spine by Wordnet Dictionary


    1. a sharp rigid animal process or appendage

    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

    3. the title and author were printed on the spine of the book
    4. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

    5. a small sharp-pointed tip resembling a spike on a stem or leaf

    6. any sharply pointed projection

    Definition of spine by GCIDE Dictionary


    1. Spine n. [L. spina thorn, the spine; akin to spica a point: cf. OF. espine, F. épine. Cf. Spike, Spinet a musical instrument, Spinny.]
      1. ( Bot. ) A sharp appendage to any of a plant; a thorn.

      2. ( Zool. ) A rigid and sharp projection upon any part of an animal. One of the rigid and undivided fin rays of a fish.

      3. ( Anat. ) The backbone, or spinal column, of an animal; -- so called from the projecting processes upon the vertebrae.

      4. Anything resembling the spine or backbone; a ridge.