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spine |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Spine \Spine\, n. [L. spina thorn, the spine; akin to spica a point: cf OF espine, F. ['e]pine. Cf {Spike}, {Spinet} a musical instrument, {Spinny}.] 1. (Bot.) A sharp appendage to any of a plant; a thorn. 2. (Zo["o]l.) a A rigid and sharp projection upon any part of an animal. b One of the rigid and undivided fin rays of a fish. 3. (Anat.) The backbone, or spinal column, of an animal; -- so called from the projecting processes upon the vertebr[ae]. 4. Anything resembling the spine or backbone; a ridge. From WordNet r 1.6 [wn]: spine n 1: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" [syn: {spinal column}, {vertebral column}, {backbone}, {back}] 2: any pointed projection [syn: {spur}] 3: a sharp-pointed tip on a stem or leaf [syn: {thorn}, {prickle}] 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
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