adj. Moving in a circle, or spirally; revolving; whirling around.
n. A large traffic roundabout with non-standard lane markings or priorities, or with buildings on the central island.
the GNU version of the Collaborative International Dictionary of English
adj. Moving in a circle, or spirally; revolving; whirling around.
The Century Dictionary and Cyclopedia
Moving in a circle or spirally; gyrating.
Word Usage
"In special alloy, which requires toughness and wear-resistance for applications such as gyratory crushers, jaw crusher plates, rail steel and cutting edges for earth-moving equipment, nickel is being replaced in part or entirely by Manganese."