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noun Uncommon

lighthouse

LYT-hows

Lighthouse (noun) means a tower with a powerful light at the top, built to warn or guide ships near dangerous coastlines. Example: “The lighthouse beam swept across the bay every ten seconds.”

noun
1
A tower with a powerful light at the top, built to warn or guide ships near dangerous coastlines.
"The lighthouse beam swept across the bay every ten seconds."
"Sailors relied on the lighthouse to avoid the rocks."

How to use lighthouse

Learner’s notes

In plain EnglishA tall tower with a bright light that warns ships of danger near the coast.

Common pairings
lighthouse keeper the lighthouse beam

Word forms

lighthouses plural

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Fill the gap

Can you complete this real example?

The _____ beam swept across the bay every ten seconds.

Etymology

A transparent compound of light + house, naming a structure built to house a warning light.

beacon tower light tower

Rhymes for lighthouse

See all rhymes for lighthouse →

Frequently asked questions

What does “lighthouse” mean?

The word “lighthouse” means a tower with a powerful light at the top, built to warn or guide ships near dangerous coastlines. In plain terms, a tall tower with a bright light that warns ships of danger near the coast.

How do you pronounce “lighthouse”?

“Lighthouse” is pronounced LYT-hows (/ˈlaɪthaʊs/ in IPA).

How do you use “lighthouse” in a sentence?

Here is “lighthouse” used in a sentence: “The lighthouse beam swept across the bay every ten seconds.”

What part of speech is “lighthouse”?

“Lighthouse” is a noun.

Is “lighthouse” a common word?

“Lighthouse” is an uncommon word in modern English.

What is the difference between a lighthouse and a beacon?

A lighthouse is specifically a tower built near dangerous coastlines with a powerful light to warn or guide ships. A beacon is a broader term for any signal, light, or marker used for guidance or warning, which can include a lighthouse but also covers many other kinds of signals, including non-nautical ones.

Why are lighthouses built near dangerous coastlines?

Lighthouses are built near dangerous coastlines specifically to warn ships of hazards like rocks or shallow waters and to help guide them safely, using a powerful light visible from a distance at the top of the tower.

Is lighthouse used only literally, or also figuratively?

While a lighthouse literally refers to the tower and light used to guide ships, the word is also used figuratively to describe a person, place, or idea that provides guidance or a sense of direction and safety in a difficult situation.

Definitions: FreeDict original editorial