spine /ˈspaɪn/ 名詞
1. Bot. A sharp appendage to any of a plant; a thorn.
2. Zool. (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 vertebrae.
4. Anything resembling the spine or backbone; a ridge.
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