noun.
One who operates or is licensed to operate an aircraft in flight.
noun.
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noun.
One who, though not belonging to a ship's company, is licensed to conduct a ship into and out of port or through dangerous waters.
noun.
The helmsman of a ship.
noun.
One who guides or directs a course of action for others.
noun.
The part of a tool, device, or machine that leads or guides the whole.
noun.
A pilot light, as in a stove.
noun.
A television program produced as a prototype of a series being considered for adoption by a network.
transitive verb.
To serve as the pilot of (a plane, for example).
transitive verb.
To steer or control the course of: synonym: guide.
adjective.
Serving as a tentative model for future experiment or development.
adjective.
Serving or leading as guide.