noun
A swirling vortex.
A circular or spiral motion; also, a circle described by a moving body; a revolution, a turn.
(anatomy, zootomy, archaic) Synonym of gyrus (“a fold or ridge on the cerebral cortex of the brain”).
(oceanography) An ocean current caused by wind which moves in a circular manner, especially one that is large-scale and observed in a major ocean.
verb
(intransitive) To spin around; to gyrate, to whirl.
(transitive, rare) To make (something) spin or whirl around; to spin, to whirl.