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

Owls Head State Park Just a 15-minute drive south of downtown, Owls Head State Park pairs one of Maine’s most picturesque lighthouses with scenic coastal trails, picnic areas, and sweeping views over Penobscot Bay. — Lauren Dana Ellman, Travel + Leisure, 21 July 2026

See Ponce Inlet Lighthouse The state’s tallest lighthouse is open to the public. — Tara Massouleh McCay, Southern Living, 19 July 2026

Dafoe’s Thomas Wake is the film’s Proteus figure, a salty old lighthouse keeper who speaks like someone out of ancient myth, dispensing prophecies and superstitions. — Britt Hayes, Entertainment Weekly, 18 July 2026

Strumble Head Strumble Head offers one of the clearest west-facing horizons in Wales, with the eclipsed sun appearing above the Irish Sea beside its iconic lighthouse. — Jamie Carter, Space.com, 15 July 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