From WordNet (r) 3.0 (2006):
pilot
n 1: someone who is licensed to operate an aircraft in flight
[syn: pilot, airplane pilot]
2: a person qualified to guide ships through difficult waters
going into or out of a harbor
3: a program exemplifying a contemplated series; intended to
attract sponsors [syn: pilot program, pilot film,
pilot]
4: something that serves as a model or a basis for making
copies; "this painting is a copy of the original" [syn:
original, archetype, pilot]
5: small auxiliary gas burner that provides a flame to ignite a
larger gas burner [syn: pilot burner, pilot light,
pilot]
6: an inclined metal frame at the front of a locomotive to clear
the track [syn: fender, buffer, cowcatcher, pilot]
v 1: operate an airplane; "The pilot flew to Cuba" [syn: fly,
aviate, pilot]
2: act as the navigator in a car, plane, or vessel and plan,
direct, plot the path and position of the conveyance; "Is
anyone volunteering to navigate during the trip?"; "Who was
navigating the ship during the accident?" [syn: navigate,
pilot]