Meaning & Definition of Rotation in English

1. The act of rotating as if on an axis

• "The rotation of the dancer kept time with the music"

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"

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"