gyre /ˈʤaɪ(ə)r/
  旋回,迴轉,旋轉(vi.)旋回
  Gyre n.  A circular motion, or a circle described by a moving body; a turn or revolution; a circuit.
     Quick and more quick he spins in giddy gyres.   --Dryden.
     Still expanding and ascending gyres.   --Mrs. Browning. 
  Gyre, v. t. & i.  To turn round; to gyrate. [Obs.]
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  gyre
       n : a round shape formed by a series of concentric circles [syn:
            coil, whorl, roll, curl, curlicue, ringlet,
           scroll]