verb-intransitive. To move with a twisting or whirling motion; eddy.verb-intransitive. To be dizzy or disoriented.verb-intransitive. To be arranged in a spiral, whorl, or twist.v. To cause to move with a twisting or whirling motion. See Synonyms at turn.v. To form into or arrange in a spiral, whorl, or twist.n. A whirling or eddying motion or mass: a swirl of white water. n. Something, such as a curl of hair, that coils, twists, or whirls.n. Whirling confusion or disorder: "high-pressure farce built around the swirl of mistaken identitiesā ( Jay Carr).