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

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n. A light coming from the side.

n. Nautical Either of two lights, red to port, green to starboard, shown by ships at night.

n. A piece of incidental or contrasting information.

n. A light found at the side of something; especially of a vehicle.

n. A window found at one or both sides of a door.

n. light carried by a boat that indicates the boat's direction; vessels at night carry a red light on the port bow and a green light on the starboard bow

"Interesting sidelight is that Joe Roberts represents District 5, the same district represented by Wayne Bryant, the currently under indictment senator."

light source    light   

sound    fulminant    fictionalization    photos(which    storybook    two-arm    scallywag    work/energy    side-path    conspicuousness