Made or used as a test or demonstration of capability.
Being a vehicle to warn other road users of the presence of an oversize vehicle/combination.
Used to control or activate another device.
A person who steers a ship, a helmsman.
A pilot light.
A short plug, sometimes made interchangeable, at the end of a counterbore to guide the tool.
A guide book for maritime navigation.
A racing driver.
An instrument for detecting the compass error.
A person authorised to drive such a vehicle during an escort.
Something serving as a test or trial.
The heading or excavation of relatively small dimensions, first made in the driving of a larger tunnel.
A sample episode of a proposed TV series produced to decide if it should be made or not. If approved, typically the first episode of an actual TV series.
A person who is in charge of the controls of an aircraft.
One who flies a kite.
A cowcatcher.
A person who knows well the depths and currents of a harbor or coastal area, who is hired by a vessel to help navigate the harbor or coast.
A guide or escort through an unknown or dangerous area.
A pilot vehicle.
To guide (a vessel) through coastal waters.
To serve as the leading locomotive on a double-headed train.
To control (an aircraft or watercraft).
To test or have a preliminary trial of (an idea, a new product, etc.)
Of or pertaining to preparation, having the purpose of making something or someone ready, preparative.