A powerful circular current of water (usually the resulting of conflicting tides)

Usage examples of vortex.

It seems that a special alignment of the planets would open a vortex to the Void that night, releasing Abraxas and his Demon Horde.

At the aphelion the comet lingers through half his period, giving ample time for the nucleus to be permeated by ether proportionally dense with the surrounding ether of the vortex at that distance.

He saw Rimmer Dall smile darkly, looming above them both from within a vortex of images.

The fulmen circled the mast, a sheet of bristling presences, spinning into a vortex.

The gecko pushed its head and forelegs through the vortex, grabbed the tree trunk with its sticky toes, and climbed the tree until its tail slipped through the circle.

The sand that had been whirled high into the air by the haboob had either settled again or been drawn on by the vortex, and the sun, now immediately overhead, probed the bare, tortured earth with bars of white heat.

His eyes were a slow boiling vortex of churning ice and melted stone, a simmering kinesis of thoughts and possibilities, of violent potential and erupting actuality, of all the power that had ever been.

So, too, the ouphs were driven out into the gulf of air where they whirled, slowly at first, then more quickly, keening an immeasurable sorrow that was sucked into the vortex and away.

A storm of sensations drew her into its vortex, everything centering lower and lower, the fusion culminating in a glorious explosion that sent her soaring, for a few shattering seconds trans ported to a purely physical plateau where all was sensation.

There was Rauc, high up in the thinning, rushing forest of vortex lines.

The rawk launched itself from the edge of the vortex and spread its silvery wings, which spanned twenty-five feet, gliding off to the east, rising steadily into the sky with each beat of its huge wings.

As soon as the first rawk launched, Balthor saw another set of claws grab the edge of the vortex.

Kamahl tried to summon a rawk as he plummeted but lost the vortex when he caught a limb full in the stomach, which knocked the wind out of him and broke his concentration.

From this a spumy vortex now towered, as if either this air were draining down it, or the lower air were cycloning out of it.

The vortex of psynergy around Sumner widened, and the torchbearers and guards were seized in a slow-motion upflow of euphoria.