This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. One of a series of lights that are usually attached to tall poles, are spaced at intervals along a public street or roadway, and are illuminated from dusk to dawn. Also called streetlamp.

n. Any large outdoor light used to illuminate a public area, usually urban.

n. The light produced by these lights.

n. a lamp supported on a lamppost; for illuminating a street

"Let me just interject some here, when Sidney used the term streetlight, it's probably a different product than the area light."

lamp   

streetlamp    gaslight    candlelight    lamplight    spotlight