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Noun: navigation light  ,na-vu'gey-shun lIt
  1. Light on an aeroplane that indicates the plane's position and orientation; red light on the left (port) wing tip and green light on the right (starboard) wing tip

Derived forms: navigation lights

Type of: light, light source

Part of: aeroplane [Brit], airplane [N. Amer], plane

Encyclopedia: Navigation light