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

Ontonagon offers Lake Superior beaches, Porcupine Mountains Located in the Upper Peninsula's far northwest, this area features a variety of hiking trails, lakefront sandy beaches, waterfalls, ski areas, a historic lighthouse, and Porcupine Mountains Wilderness State Park, also known as the Porkies. —Jenna Prestininzi, Freep.com, 7 July 2025

Overnight guests can even watch the sun set from the top of the lighthouse surrounded by the peaceful Cape National Seashore. —Mackenzie Schmidt, People.com, 28 June 2025

La Mola lighthouse is perilously set on the edge of a cliff almost 400 feet above the waves below. —Isabelle Kliger, Forbes.com, 16 June 2025

The lighthouse had been closed, in part, due to the pandemic. —Michael P. McKinney, USA Today, 7 June 2025

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