Light that is a source of artificial illumination having a broad beam; used in photography(noun)
WordNet. Princeton University. 2010.
Use "flood lamp" in a sentence
"Then, as the crowd from the nightclub flowed down the bank, someone switched on a flood lamp in the trees, burning away the darkness like a phosphorus flare, lighting me and Tee Bobby Hulin like figures frozen in a photograph of a waterside baptism."