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
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.
Some will lead them to a lighthouse that David once visited, or his old high school, bringing them back to the night his heart was broken after a production of How to Succeed in Business Without Even Trying. David Fear, Rolling Stone, 18 Sep. 2025 In the weeks after, a lighthouse keeper reported the ship’s masts breaking the lake surface, and fishermen caught pieces of the vessel in their nets. Taylor Nicioli, CNN Money, 17 Sep. 2025 The next week, a lighthouse keeper reported seeing the masts of the King protruding from the water in the shipping lane — an important clue regarding where the King lay hidden. Julia Gomez, USA Today, 17 Sep. 2025 First stop is a 19th century lighthouse where David had spent some special time many years before. Pete Hammond, Deadline, 16 Sep. 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 20 Sep. 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
Last Updated: - Updated example sentences
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