- any fixed or movable plane surface on the outside of a rocket providing directional control while the rocket is within the atmosphere.
- a similar plane surface located in the exhaust jet of a reaction engine, providing directional control while the engine is firing.
Origin of vane
Examples from the Web for vane
Historical Examples of vane
No, Vane, indeed I won't, nor anyone else for ever and ever if you'll only forgive me this time.
Vane and I both agreed to acknowledge her and have her to live with us, but it was no use.
Vane Maxwell was in very good humour that night with himself and all the world.
I suppose after what you've said it's no use asking you to have a nightcap, Vane?
There was a little pause, during which Vane looked hard at the spirit-case.
- a sight on a quadrant or compass
- the movable marker on a levelling staff