Real Dictionary

floodlight
Floodlights are very powerful lamps that are used outside to light public buildings, sports grounds, and other places at night.
verb: If a building or place is floodlit, it is lit by floodlights.

floodlight in American English
an artificial light of high intensity, usually with a reflector that causes it to shine in a broad beam
to illuminate by a floodlight or floodlights
noun: an artificial light so directed or diffused as to give a comparatively uniform illumination over a rather large given area
transitive verb: to light up or illuminate with a floodlight

floodlight in British English
noun: a broad intense beam of artificial light, esp as used in the theatre or to illuminate the exterior of buildings
verb: to illuminate by or as if by a floodlight