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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There are 22 miles of white-sand beaches to explore, as well as a vibrant community complete with flip-flop friendly eateries, picturesque bike paths, and a historic lighthouse. Tara Massouleh McCay, Southern Living, 27 Apr. 2025 Essay: Insults 'Six Million Dead Jews' Fu looks to fellow women to act as a lighthouse in the stormy sea. Alyssa Mercante, Rolling Stone, 25 Apr. 2025 The lighthouse offers views of Bodie Island, the Atlantic Ocean and Pamlico Sound, but climbing its 200 steps is strenuous, equal to the height of a 10-story building, park officials say. Joe Marusak, Charlotte Observer, 19 Apr. 2025 There’s no pool, but paths below the lighthouse descend to two swimming coves, one of which is pretty much guaranteed to be sheltered from the prevailing wind (the easterly cove also has a small landing area that allows for arrival by boat, weather permitting). Lee Marshall, Travel + Leisure, 15 Apr. 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 1 May. 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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