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

: beacon sense 2

Illustration of lighthouse

• lighthouse 1

Examples of lighthouse in a Sentence

Recent Examples on the Web

None of those places have a lighthouse. —Peter Lucas, Boston Herald, 7 Feb. 2026

Mahahual is also home to a manatee that often frequents the waters that are near the lighthouse and where marine pastures provide food. —Natalie Leticia Gallón, Miami Herald, 6 Feb. 2026

This Traverse City historic lighthouse sits in a park on the end of Old Mission Peninsula overlooking Grand Traverse Bay. —Jenna Prestininzi, Freep.com, 4 Feb. 2026

States as a lighthouse However, state policy can provide vital guidance by prioritizing ethics, equity and safety, and by being adaptable to changing needs. —Janice Mak, The Conversation, 22 Jan. 2026

Word History

First Known Use

1606, in the meaning defined at sense 1

Rhymes for lighthouse

• alehouse
• almshouse
• backhouse
• baghouse
• bakehouse
• bathhouse
• bauhaus
• blockhouse
• boathouse
• brewhouse
• bunkhouse
• clubhouse

Kids 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