convolution Meaning, Definition & Usage

  1. noun the shape of something rotating rapidly
    swirl; whirl; vortex.
  2. noun a convex fold or elevation in the surface of the brain
    gyrus.
  3. noun the action of coiling or twisting or winding together

WordNet

Con`vo*lu"tion noun
Definitions
  1. The act of rolling anything upon itself, or one thing upon another; a winding motion.
    O'er the calm sea, in convolution swift, The feathered eddy floats. Thomson.
  2. The state of being rolled upon itself, or rolled or doubled together; a tortuous or sinuous winding or fold, as of something rolled or folded upon itself. Blackmore.
  3. (Anat.) An irregular, tortuous folding of an organ or part; as, the convolutions of the intestines; the cerebral convolutions. See Brain.

Webster 1913