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
more about spine
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