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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Corridors are lined with lighthouse images leading to the cabins, ranging from a luxury suite with access to the deck, a duplex cabin with comfortable living space, or the gorgeous Skerryvore Suite with extensive outdoor space to relax and entertain. 5. Jim Dobson, Forbes.com, 29 Apr. 2025 In Robert Eggers' period psychological thriller, Dafoe is a salty and kooky lighthouse keeper who mentors a young rookie (Robert Pattinson), and even nonstop drinking can't stop severe isolation from taking hold of the newbie. Brian Truitt, USA Today, 28 Apr. 2025 One of three National Park Service lighthouses on North Carolina’s Outer Banks has opened to climbers for spring and fall. Joe Marusak, Charlotte Observer, 19 Apr. 2025 Attractions In The Tequesta Area Jupiter Inlet Lighthouse & Museum Climb to the top of this 1860 lighthouse for photo-worthy views of the area. Lisa Cericola, Southern Living, 11 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 20 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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