range light


noun nautical

one of a pattern of navigation lights, usually fixed ashore, used by vessels for manoeuvring in narrow channels at night
one of a distinctive pattern of lights shown at night on the masts of a powered vessel, such as a tugboat, to aid in identifying its size, number of barges in tow, etc

Example sentences from the Web for range light

  • The range-light emits light toward all points of the compass and must be intense enough to be seen at a distance of three miles.

    Artificial Light |M. Luckiesh