spine /ˈspaɪn/
  背骨,脊柱,尖刺
  spine /ˈspaɪn/ 名詞
  棘,突刺,脊柱,馬蹄,突,刺,殼針
  Spine n.
  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.
  ◄ ►
  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,
             rachis]
       2: any pointed projection [syn: spur]
       3: a sharp-pointed tip on a stem or leaf [syn: thorn, prickle,
           pricker, sticker]
       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