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
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(-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
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