The Collaborative International Dictionary
Gyratory \Gy"ra*to*ry\ (j[imac]"r[.a]*t[-o]*r[y^]), a. Moving in a circle, or spirally; revolving; whirling around.
Wiktionary
a. Moving in a circle, or spirally; revolve; whirling around. n. (context UK English) A large traffic roundabout with non-standard lane markings or priority, or with buildings on the central island.
Usage examples of "gyratory".
This meteor soon began to move forward, turning over and over on itself with dizzy rapidity, and sweeping up into its center a column of water from the lake, while its gyratory motions made all the surrounding currents of air rush toward it.
Light gyratory winds fluttered the chestnut trees in Kleinhammer Park.
The star twinkled, trembled and turned, at first with a slow gyratory motion, then faster and faster, increasing its circumference at every rotation until it formed a brilliant disk, and we no longer saw the dwarf, who seemed absorbed into its light.
He stood within view of Mandrake and made violent gyratory movements with his hands, while an enormous drop swung from the tip of his nose.
Almost every main route south of the river passes through Elephant and Castle and the gyratory is permanently monitored by cameras of the police Traffic Division.
Climpson was surprised by this statement, which seemed to argue a high degree of imagination, but she obligingly imparted a slight gyratory movement to the table.
As we shall see when we come to the spiral nebulæ, gyratory movements are exceedingly prevalent throughout the universe, and the structure of the Milky Way is everywhere suggestive of them.