Illustration of lighthouse
- lighthouse 1
lighthouse
noun
light·house
ˈlīt-ˌhau̇s 
1
: a structure (such as a tower) with a powerful light that gives a continuous or intermittent signal to navigators
2
Examples of lighthouse in a Sentence
Recent Examples on the Web
The town is known for its 1828 lighthouse, fishing industry, and fresh seafood.
—
Betsy Cribb Watson, Southern Living, 10 Apr. 2026
The lighthouse at the edge of Key Biscayne remains in working condition, but is no longer a navigational guide.
—Miami Herald Archives, Miami Herald, 6 Apr. 2026
When these rapidly spinning neutron stars blast out radiation from their poles, that radiation sweeps across the cosmos like beams of light from a cosmic lighthouse.
—Robert Lea, Space.com, 3 Apr. 2026
Gorman, who was with her friends at the time on the pier, looked behind the lighthouse and saw Medina-Medina there.
—Adam Sabes, FOXNews.com, 30 Mar. 2026
See All Example Sentences for lighthouse
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Betsy Cribb Watson, Southern Living, 10 Apr. 2026
The lighthouse at the edge of Key Biscayne remains in working condition, but is no longer a navigational guide.
—Miami Herald Archives, Miami Herald, 6 Apr. 2026
When these rapidly spinning neutron stars blast out radiation from their poles, that radiation sweeps across the cosmos like beams of light from a cosmic lighthouse.
—Robert Lea, Space.com, 3 Apr. 2026
Gorman, who was with her friends at the time on the pier, looked behind the lighthouse and saw Medina-Medina there.
—Adam Sabes, FOXNews.com, 30 Mar. 2026
See All Example Sentences for lighthouse
Cite this Entry
“Lighthouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lighthouse. Accessed 16 Apr. 2026.
Copy CitationKids Definition
lighthouse
noun
light·house
-ˌhau̇s
: 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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