lighthouse

noun

light·​house ˈlīt-ˌhau̇s How to pronounce lighthouse (audio)
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
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And while the Noah x Timex collaborations have drawn inspiration from iconic luxury timepieces like Cartier and Patek Philippe, the watches stand on their own with unique touches — like the latest lighthouse — that act as a breath of fresh air in the watch space. Lauren Alexis Fisher, Footwear News, 9 June 2025 Take a stroll to the Edgartown Harbor Light, a working beacon that’s one of five lighthouses on the island, or relax at one of several local beaches. Laura Kiniry, Smithsonian Magazine, 9 June 2025 Traverse City, Michigan Why now: Traverse City, in northwest Michigan, is home to sandy beaches, award-winning vineyards, great restaurants, eight historic lighthouses, and Sleeping Bear Dunes National Lakeshore. Ryan Krogh, Outside Online, 3 June 2025 In Pensacola, a lighthouse, museums, and adventures on the water await. Brandee Gruener, Southern Living, 27 May 2025 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 19 Jun. 2025.

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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