• Made or used as a test or demonstration of capability.
  • Used to control or activate another device.
  • Being a vehicle to warn other road users of the presence of an oversize vehicle/combination.


  • To control (an aircraft or watercraft).
  • To guide (a vessel) through coastal waters.
  • To test or have a preliminary trial of (an idea, a new product, etc.)
  • To serve as the leading locomotive on a double-headed train.


  • From Middle French pilot, pillot, from Italian pilota, piloto, older also pedotta, pedot(t)o (the form in pil- is probably influenced by pileggiare); ultimately from unattested Byzantine Greek *πηδώτης ("helmsman"), from Ancient Greek πηδόν ("blade of an oar, oar"), hence also Ancient and Modern Greek πηδάλιον.

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