circination

from The Collaborative International Dictionary of English v.0.48

Circination \Cir`ci*na"tion\, n. [L. circinatio circle.]
   [1913 Webster]
   1. An orbicular motion. [Obs.] --bailey.
      [1913 Webster]

   2. A circle; a concentric layer. [Obs.] "The circinations and
      spherical rounds of onions." --Sir T. Browne.
      [1913 Webster]