A circular or spiral motion; also, a circle described by a moving body; a revolution, a turn.
An ocean current caused by wind which moves in a circular manner, especially one that is large-scale and observed in a major ocean.
A swirling vortex.
To spin around; to gyrate, to whirl.
To make (something) spin or whirl around; to spin, to whirl.
A 180-degree turn towards the right (especially of troops)