gyratory

• IPA^(key): /d͡ʒaɪˈɹeɪ.təɹ.i/, /ˈd͡ʒaɪ.ɹə.təɹ.i/

gyratory (comparative more gyratory, superlative most gyratory)

1. Moving in a circle, or spirally; revolving; whirling around.
   • 1932, Journal of the Association of Chinese & American Engineers, page 10:

     In the late eighties and early nineties several new types of movable spans were advocated , including the pull-back draw, the jackknife span, the bob-tail swing, the horizontal-folding draw, the shearpole draw, the gyratory lift, the transbordeur, the double-cantilever swing, several types of bascule, and the vertical lift.

• circumgyratory
• gyratory crusher
• gyratory compactor

• rotator

gyratory (plural gyratories)

1. (UK) A large traffic roundabout with non-standard lane markings or priorities, or with buildings on the central island.