3. (noun)
spinal column, vertebral column, spine, backbone, back, rachis
- the series of vertebrae forming the axis of the skeleton and protecting the spinal cord Synonyms: dorsum, cover, sticker, spikelet, mainstay, backrest, lynchpin, binding, grit, prickle, book binding, pricker, spine, sand, thorn, spinal column, keystone, spur, linchpin, back, backbone, rear, acantha, gumption, anchor, rachis, moxie, guts, vertebral column
4. (noun)
spine, backbone
- 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 Synonyms: sticker, spikelet, mainstay, lynchpin, spine, prickle, pricker, grit, sand, thorn, spinal column, keystone, spur, linchpin, back, backbone, acantha, gumption, anchor, rachis, moxie, guts, vertebral column
5. (noun)
backbone
- the part of a network that connects other networks together Synonyms: gumption, back, moxie, grit, spinal column, guts, sand, lynchpin, spine, linchpin, vertebral column, anchor, keystone, mainstay, rachis