flashing light—a lighting device, used in lighthouses, etc., giving forth sudden flashes:
- Another change has been the displacement of the semaphore-type of direction indicator by flashing light signals.
flashlight—
1. = flashing light:
- The practice of a flashlight on sails as something approaches in the darkness is a good one.
2. (also: flash-lamp) a portable electric lamp:
- Barry examined them by the same pencil flashlight—a tiny streak of illumination.
3. an intense flash of light produced in cameras:
- The paranormal displacement of a handkerchief actuated electrically the flashlight by which this photograph was taken.