Rotation - Definition

n 1: the act of rotating as if on an axis; "the rotation of the
dancer kept time with the music" [syn: rotation, rotary
motion]
2: (mathematics) a transformation in which the coordinate axes
are rotated by a fixed angle about the origin
3: a single complete turn (axial or orbital); "the plane made
three rotations before it crashed"; "the revolution of the
earth about the sun takes one year" [syn: rotation,
revolution, gyration]
4: a planned recurrent sequence (of crops or personnel etc.);
"crop rotation makes a balanced demand on the fertility of
the soil"; "the manager had only four starting pitchers in
his rotation"