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
Visitors who climb the many stairs leading to the top of the lighthouse, will be rewarded with panoramic views of Biscayne Bay and Miami Beach.
—
Lisa Cericola, Southern Living, 30 Dec. 2025
With its landmark 16th-century castle-lighthouse, Villanova features a small harbor and marina, waterfront restaurants, and easy access to several beaches.
—Megan Murphy, Travel + Leisure, 28 Dec. 2025
Like a lighthouse, this parenting style provides a stable source of guidance without being over-involved, as seen with helicopter parenting, or too hands-off, like with free-range parenting.
—Alex Vance, Parents, 21 Dec. 2025
The planet, designated PSR J2322-2650b, has a mass around that of Jupiter and orbits a dead star called a pulsar that blasts out twin jets of radiation that sweep across the universe like a cosmic lighthouse.
—Robert Lea, Space.com, 16 Dec. 2025
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Lisa Cericola, Southern Living, 30 Dec. 2025
With its landmark 16th-century castle-lighthouse, Villanova features a small harbor and marina, waterfront restaurants, and easy access to several beaches.
—Megan Murphy, Travel + Leisure, 28 Dec. 2025
Like a lighthouse, this parenting style provides a stable source of guidance without being over-involved, as seen with helicopter parenting, or too hands-off, like with free-range parenting.
—Alex Vance, Parents, 21 Dec. 2025
The planet, designated PSR J2322-2650b, has a mass around that of Jupiter and orbits a dead star called a pulsar that blasts out twin jets of radiation that sweep across the universe like a cosmic lighthouse.
—Robert Lea, Space.com, 16 Dec. 2025
See All Example Sentences for lighthouse
Cite this Entry
“Lighthouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lighthouse. Accessed 8 Jan. 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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