Pronunciation: (rō-tā'shun), [key]
1. the act of rotating; a turning around as on an axis.
a. the movement or path of the earth or a heavenly body turning on its axis.
b. one complete turn of such a body.
3. regularly recurring succession, as of officials.
4. Agric.See crop rotation.
a. an operation that rotates a geometric figure about a fixed point.
b. curl (def. 17).
6. Pool.a game in which the balls are played in order by number.
7. Baseball.See pitching rotation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.