Pronunciation: (rō'tu-tôr"ē, -tōr"ē), [key]
1. pertaining to or of the nature of rotation: rotatory motion.
2. rotating, as an object.
3. passing or following in rotation or succession.
4. causing rotation, as a muscle.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.