Definition of: pilot

(pī′lət) noun
1. A helmsman; specifically, one duly qualified by training and licensed by law to conduct vessels in and out of port.
2. Any guide.
3. One who controls the operation of an airplane, dirigible, or other aircraft.
4. The cowcatcher of a locomotive.
—v.t.
1. To act as the pilot of; steer.
2. To guide or conduct through difficulties, intricate dealings, etc.
3. To serve as pilot on, over, or upon. [<MF pillotte, pilot <Ital. pilota,? <pedota, ult. <Gk. pēda a rudder, orig. plural of pēdon an oar]