Pronunciation: (rō'tāt or, esp. Brit., rō-tāt'), [key]
—v., -tat•ed, -tat•ing.
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.
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]
wheel-shaped: applied esp. to a gamopetalous short-tubed corolla with a spreading limb. See illus. under corolla.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.