Definitions for "Gyration"
The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution.
One of the whorls of a spiral univalve shell.
a single complete turn (axial or orbital); "the plane made three rotations before it crashed"; "the revolution of the earth about the sun takes one year"
Keywords:  revolving, act
The act of revolving or gyrating.
Keywords:  radius, see
See radius of gyration.