The act or process of turning around a center or an axis: the axial rotation of the earth.
A single complete cycle of such motion.
Mathematics A transformation of a coordinate system in which the new axes have a specified angular displacement from their original position while the origin remains fixed.
Regular and uniform variation in a sequence or series: a rotation of personnel; crop rotation.
Games An order of shooting balls in billiards in which the ball with the lowest number on the table is always pocketed first.
derivatives
ro·tátion·al
adjective
The American Heritage® Dictionary of the English Language, Fourth Edition