spine

n. spinal column of a vertebrate; pointy projection (Zoology); prickle, thorn (Biology); binding of a book; narrow mountain peak, ridge; strength of character, resolution, backbone

Spine or Spinal may refer to:Science and medicineSpine (book), the bound edge of a bookSpine (botany), needle-like structures in plantsSpine (zoology), needle-like structures in animalsVertebral column, spine in anatomy, the backboneSpinal cord, the bundle of nerve cells and nerve fibers within the vertebral columnSpinal anaesthesia, a type of regional anaestheticLumbar puncture, a colloquial term for which is a spinal tapSpine (Journal), a bi-weekly peer review journal of spine surgeryDendritic spine, cellular neuroanatomy
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Spine 1. a slender, thornlike process or projection. 2. vertebral column. alar spine , angular spine s. of sphenoid bone. [more]Spine - Community and Resources

Noun
1. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"
(synonym) spinal column, vertebral column, backbone, back, rachis
(hypernym) skeletal structure
(hyponym) notochord
(part-holonym) axial skeleton
(part-meronym) spinal canal, vertebral canal, canalis vertebralis
2. any pointed projection
(synonym) spur
(hypernym) projection
3. a sharp-pointed tip on a stem or leaf
(synonym) thorn, prickle, pricker, sticker
(hypernym) aculeus
(hyponym) glochidium, glochid
4. a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin
(hypernym) process, outgrowth, appendage
(hyponym) ray

n. thorn; fishbone; spine; prickle; plug