LIGHTHOUSE
beacon, lighthouse, beacon light, pharos
(noun) a tower with a light that gives warning of shoals to passing ships
Source: WordNet® 3.1
Etymology
Noun
lighthouse (plural lighthouses)
A tower or other structure exhibiting a light or lights to warn or guide sailors.
Synonyms
• obeliscolychny
Hypernyms
• house
Anagrams
• houselight
Source: Wiktionary
Light"house` n.; pl.Lighthouses (.
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition