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WordNet-Online
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Noun spine has 4 senses
- spinal column, vertebral column, spine, backbone, back, rachis - the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"
--1 is a kind of skeletal structure
--1 is a part of axial skeleton
--1 has parts:
--1 has particulars: notochord; chine
- spur, spine - any pointed projection
--2 is a kind of projection
- spine, thorn, prickle, pricker, sticker - a sharp-pointed tip on a stem or leaf
--3 is a kind of aculeus
--3 has particulars: glochidium, glochid
- 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
--4 is a kind of process, outgrowth, appendage
--4 has particulars: ray; quill
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