volutation

1. (obsolete) A circular movement; a rolling, wallowing, circulation or rotation.Examples: "But, yet He hath left us rather a Confusion, than logical Discrimination of the species of Violent motion; for, Collision and Pulsion are one and the same thing; and Vection may be performed either by Pulsion or Traction, insomuch as the thing movent doth not forsake the thing pulsed, or drawn, but constantly adhæreth unto it; and as for Volutation; it is both Pulsion and Traction at once, as may be easily conceived by any man who seriously considers the manner thereof."; "For ſphærical bodies move by fives, and every globular figure placed upon a plane, in direct volutation, returns to the firſt point of contaction in the firſt touch, accounting by the Axes of the Diameters or Cardinall points of the four quarters thereof."; "[…]so also if onely one foot appeares, and the hands are joyned to the thighs, or else they are to be pressed together by the midwife, so if the knees are foremost, using volutation; if the hands are foremost, they are to be reduced to the sides, as before, and the parts are to be relaxed; if only one hand be foremost, the foetus is to be put back, till the site be natural; […]"obsolete