noun
: any of the lights mounted on a night-flying airplane to serve as a warning to other airplanes (as a red light on the port side, a green light on the starboard side, and a white light aft)
noun
: any of the lights mounted on a night-flying airplane to serve as a warning to other airplanes (as a red light on the port side, a green light on the starboard side, and a white light aft)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012