running light

noun

A light shown by vessels between sunset and sunrise.

Similar
sidelight
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Meanings

nounrunning light (plural running lights)

plural running lights

  1. nauticalA light shown by vessels between sunset and sunrise.

Synonyms & antonyms

nounlight 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

Similar
sidelight
Broader
lightlight source
Also see
sidelight

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

running light. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/running%20light

MLA

“running light.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/running%20light. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “running light,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/running%20light.

Source: running light on Wiktionary, CC BY-SA 4.0.