Source : Webster's Revised Unabridged Dictionary (1913)

Circumduction \Cir`cum*duc"tion\, n. [L. circumductio.]
   1. A leading about; circumlocution. [R.] --Hooker.

   2. An annulling; cancellation. [R.] --Ayliffe.

   3. (Phisiol.) The rotation of a limb round an imaginary axis,
      so as to describe a concial surface.

Source : WordNet®

circumduction
     n : a circular movement of a limb or eye