spine
noun(spine)
a small sharp-pointed tip resembling a spike on a stem or leaf
spine
noun(spine)
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
spine
noun(spine)
any sharply pointed projection
spine
noun(spine)
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
Examples:
The title and author were printed on the spine of the book.
spine
noun(spine)
a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin