lighthouse
B2Գոյական/US /lˈaɪthˌaʊs/ LĪTH-ous; UK /lˈaɪthˌaʊs/ LĪTH-ous/
A tower or other building with a powerful light at top, erected at the entrance of a port, or at some important point on a coast, to serve as a guide to mariners at night; a pharos.
