swirl

(noun) the shape of something rotating rapidly. Synonyms: whirl, vortex, convolution.

(verb) turn in a twisting or spinning motion. Synonyms: twirl, twiddle, whirl. Example: "The leaves swirled in the autumn wind."

(verb) flow in a circular current, of liquids. Synonyms: eddy, purl, whirlpool, whirl.