lighthouse

noun

light·​house ˈlīt-ˌhau̇s How to pronounce lighthouse (audio)
Synonyms of lighthousenext
1
: a structure (such as a tower) with a powerful light that gives a continuous or intermittent signal to navigators
2

Illustration of lighthouse

Illustration of lighthouse
  • lighthouse 1

Examples of lighthouse in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Not only is the lighthouse a picturesque sight, but the park is the ideal spot for hiking, fishing, and swimming and sunbathing on the sandy beach in summer. Lydia Mansel, Travel + Leisure, 4 Mar. 2026 His son, Paris, returns to take his father’s place at the lighthouse. Elizabeth Logan, Glamour, 2 Mar. 2026 Perhaps to them the lighthouse was a living thing from the past, like a breathing dinosaur communicating in the darkness with other dinosaurs. Yiyun Li, New Yorker, 1 Mar. 2026 In addition to the view, the museum includes belongings, photos and memories of the lighthouse keepers and their families. Miami Herald Archives, Miami Herald, 25 Feb. 2026 See All Example Sentences for lighthouse

Word History

First Known Use

1606, in the meaning defined at sense 1

Time Traveler
The first known use of lighthouse was in 1606

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Cite this Entry

“Lighthouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lighthouse. Accessed 9 Mar. 2026.

Kids Definition

lighthouse

noun
light·​house -ˌhau̇s How to pronounce lighthouse (audio)
: a tower with a powerful light at the top that is built on or near the shore to guide sailors at night
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