spine
(noun)
noun
1. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
Similar word(s): back, backbone, rachis
Definition categories: body
2. any sharply pointed projection
Similar word(s): acantha, spur
Definition categories: shape, projection
3. a small sharp-pointed tip resembling a spike on a stem or leaf
Similar word(s): pricker, prickle, spikelet, sticker, thorn
Definition categories: plant, aculeus
4. 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
Similar word(s): backbone
Definition categories: man–made, part, portion
5. a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin
Definition categories: animal, appendage, outgrowth, process