Navigation light

noun

Definitions

Noun
  1. 1
    one of two or more lights fitted to a ship or aircraft, which indicate position and direction taken, especially important at night. Internationally recognised colours are red on the port side, and green on the starboard side. plural, regional
  2. 2
    light on an airplane 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 wordnet

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