spine
| 1. |
(noun) a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin |
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Related Words: appendage, outgrowth, process, quill, ray |
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| 2. |
(noun) a sharp-pointed tip on a stem or leaf |
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Synonyms: prickle, thorn |
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Related Words: aculeus |
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| 3. |
(noun) any pointed projection |
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Synonyms: spur |
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Related Words: bulge, bump, excrescence, extrusion, gibbosity, gibbousness, hump, jut, prominence, protrusion, protuberance |
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| 4. |
(noun) the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" |
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Synonyms: back, backbone, spinal column, vertebral column |
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Related Words: chine, notochord, skeletal structure |
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