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.
There’s a huge, lovely lighthouse there, at Pelican Point. Lea Lane, Forbes, 26 Feb. 2025 It’s designed to charmingly reflect a waterfront lighthouse. Kaitlyn Yarborough, Southern Living, 1 Feb. 2025 At the other end of Eilean Mòr, past a mossy Celtic cross standing like a lighthouse at the island’s tallest point, Sandy showed us the Cave of Saint Cormac, its opening hardly more than four feet high, where eighth-century monks used to retreat for periods of secluded contemplation. Leslie Jamison, Travel + Leisure, 23 Jan. 2025 The black-and-white spiraled lighthouse is the tallest brick lighthouse in the United States. Tara Massouleh McCay, Southern Living, 11 Jan. 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

Browse Nearby Words

Cite this Entry

“Lighthouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lighthouse. Accessed 10 Mar. 2025.

Kids Definition

lighthouse

noun
: 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!