The act of turning or winding or folding around a central axis.

Roget 248: winding etc. v.; convolution, involution, circumvolution; wave, undulation, tortuosity, anfractuosity^†; sinuosity, sinuation^†; meandering, circuit, circumbendibus^†, twist, twirl, windings and turnings, ambages^†; torsion; inosculation^†; reticulation etc. (crossing) 219; rivulation^†; roughness etc. 256.    coil, roll, curl; buckle, spiral, helix, corkscrew, worm, volute, rundle; tendril; scollop^†, scallop, escalop^†; kink; ammonite, snakestone^†.    serpent, eel, maze, labyrinth.    knot.    ... show more

Roget 312: rotation, revolution, spinning, gyration, turning about an axis, turning aound an axis, circulation, roll; circumrotation^†, circumvolution, circumgyration^†; volutation^†, circination^†, turbination^†, pirouette, convolution.    verticity^†, whir, whirl, eddy, vortex, whirlpool, gurge^†; countercurrent; Maelstrom, Charybdis; Ixion.    [rotating air] cyclone; tornado, whirlwind; dust devil.    [rotation of an automobile] spin-out.    axis, axis of rotation, swivel, pivot, pivot point; axle, spindle, pin, hinge, pole, arbor, bobbin, mandrel; axle shaft; gymbal; hub, hub of rotation.    [rotation and translation together] helix, helical motion.    [measure of rotation] angular momentum, angular velocity; revolutions per minute, RPM.    [result of rotation] centrifugal force; surge; vertigo, dizzy round; coriolus force.    [things that go around] carousel, merry-go-round; Ferris wheel; top, dreidel^†, teetotum; gyroscope; turntable, lazy suzan; screw, whirligig, rollingstone^†, water wheel, windmill; wheel, pulley wheel, roulette wheel, potter's wheel, pinwheel, gear; roller; flywheel; jack; caster; centrifuge, ultracentrifuge, bench centrifuge, refrigerated centrifuge, gas centrifuge, microfuge; drill, augur, oil rig; wagon wheel, wheel, tire, tyre [Brit.].    [Science of rotary motion] trochilics^†.    [person who rotates] whirling dervish.    ... show more