Definition of "lightbar" [lightbar]

• A bar mounted on the roof of a vehicle, such as a police car, with rotating beacons or other lights to provide a visual warning. (noun)

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• "The nose design is taken directly from the Aero-X concept car and the production 9-5 will be marked out by a distinctive 'lightbar' running across the rear of the car, between the rear light clusters."
• "It kinda looks like the ugly cousin of the lightbar from the Kitt Knight Rider car."
• "Externally, it would have a yellow lightbar or strobe, a search light, vehicle ID numbers, a 'If this driver is operating...' sticker, commercial plates, a ladder rack, several antenna, a innocuous company name with a cruddy logo."