running light


: any of the lights carried by a vehicle (such as a ship or automobile) that indicate size, position, or course

Example Sentences

Recent Examples on the Web Keep your running light-hearted and fun, yet go after big goals. Amby Burfoot, Outside Online, 30 Oct. 2019 The brake cooling system has been integrated into the headlight design, with intakes under the daytime running light channeling cool air into the wheel wells. Caleb Miller, Car and Driver, 24 June 2021 The Equinox also gets separate LED headlights and daytime running lights that contribute to that more aggressive look. Maxwell B. Mortimer, Car and Driver, 6 Feb. 2020 No media outlet reports that a pickup that got T-boned was a dark color or that a motorcycle didn’t have its daytime running lights on at the time of a crash. Joe Lindsey, Outside Online, 7 Apr. 2020 Mazda has issued a statement acknowledging a problem with LED daytime running lights on some 2016 Mazda CX-5 crossovers. Laura Sky Brown, Car and Driver, 12 Feb. 2020 Armada has an aggressive stance with a bold V-motion grille, standard LED low-beam headlights, halogen high beams and LED daytime running lights — preserving the previous generation’s sturdy, energetic image, with up-to-date styling. Tribune News Service, cleveland, 11 Jan. 2020 High-intensity-discharge headlights with automatic high beams are included at this level along with LED daytime running lights. G. Chambers Williams Iii, Houston Chronicle, 7 July 2018 Prior to launching for the first time, it's recommended to check engine hoses and clamps, fuel filters and tanks, running lights and safety equipment, including personal flotation devices, flares, first aid kits and fire extinguishers. Paul A. Smith, Milwaukee Journal Sentinel, 30 Mar. 2018 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'running light.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of running light was in 1863

Dictionary Entries Near running light

Cite this Entry

“Running light.” Dictionary, Merriam-Webster, Accessed 9 Jun. 2023.

Kids Definition

running light

: any of the lights on a vehicle (as a ship) that show size, position, or direction

More from Merriam-Webster on running light

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