What is "gyring"

Usage examples of "gyring".

From a height he drifts through columnated hallways and high-vaulted chambers and gradually he becomes aware of the molten throb of unfamiliar instruments, pounding skins, trip-rolled and muffled, lazy dark chords under gyring melody, hears the peregrine music unfurling, haunting, electric.

The forces drew much of the plasma into an accretion disk, a maelstrom gyring about the black hole, to plunge at last down the throat of the vortex.

Above it, great plumes of sand were gyring like Catechist dervishes, the fanatic sect who had carved the Mas'jahan out of the unforgiving bones and flesh of the Mu'ad.