—n., v., -trolled, -trol•ling.
1. control by means of a servomechanism.
2. a servomechanism used as a control.
3. Also called Flettner control, ser'vo tab". Aeron.a tab that is directly actuated by the control stick and that exerts an aerodynamic force to move a control surface to which it is attached.
to operate (a mechanism) with such a device.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.