a fixed structure in the form of a tower equipped with a light visible to mariners for warning them of obstructions, for marking harbour entrances, etc
WordReference Random House Learner's Dictionary of American English © 2025
light•house /ˈlaɪtˌhaʊs/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Naval Termsa tower or other building displaying a bright light or lights to guide ships.
light•house
(līt′hous′),USA pronunciation n., pl. -hous•es
-
(-hou′ziz).USA pronunciation
- Nautical, Naval Termsa tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc.
- Nautical, Naval Termseither of two cylindrical metal towers placed forward on the forecastle of the main deck of a sailing ship, to house the port and starboard running lights.
- light1 + house 1655–65
Collins Concise English Dictionary © HarperCollins Publishers::
'lighthouse' also found in these entries (note: many are not synonyms or translations):
Dungeness
- Eddystone Rocks
- Fire Island
- Lighthouse Point
- Pharos
- Portland
- Seven Wonders of the World
- To the Lighthouse
- Woolf
- beacon
- bear
- blink
- famous
- flashlight
- geographic range
- holophote
- lantern
- light
- lighthouse clock
- lighthouse coffeepot
- lighthouse tube
- lightship
- luminous range
- minaret
- onshore
- radiophare
- sable