rotation means: Shelf-stocking is a method that allows for first-in and first-out. This involves moving older stock ahead of newer stock during restocking. Stock rotation. (in Cooking Dictionary)

What else does rotation mean?

A process or act of turning about a centre or axis. (in Merlin Dictionary)

One complete cycle of this motion. (in Merlin Dictionary)

Transformation of coordinate systems in which new axes are specified to have an angular displacement relative to their initial position, while the origin is fixed. (in Merlin Dictionary)

Variation in sequences or series that is regular and consistent. (in Merlin Dictionary)

This is the sequence that starts a game in which the starters of a team throw. (in Merlin Dictionary)

These pitchers were used in this sequence. (in Merlin Dictionary)