Search Result for "navigation light":
Wordnet 3.0

NOUN (1)

1. 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 (r) 3.0 (2006):

navigation light
    n 1: 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