—v.t. 1. to cause to turn around an axis or center point; revolve.
2. to cause to go through a cycle of changes; cause to pass or follow in a fixed routine of succession: to rotate farm crops. 3. to replace (a person, troops, etc.) by another or others, usually according to a schedule or plan.
—v.i. 1. to turn around on or as if on an axis.
2. to proceed in a fixed routine of succession: The sentries rotated in keeping watch.
Pronunciation: (rō'tāt),[key] —adj. wheel-shaped: applied esp. to a gamopetalous short-tubed corolla with a spreading limb. See illus. under corolla.