Oxford Dictionary English lighthouse noun noun BrE BrE//ˈlaɪthaʊs// ; NAmE NAmE//ˈlaɪthaʊs// Public spaces, Travelling by boat or ship Add to my wordlistjump to other results enlarge image a tower or other building that contains a strong light to warn and guide ships near the coast See related entries: Public spaces, Travelling by boat or shipSee lighthouse in the Oxford Advanced American DictionaryCheck pronunciation: lighthouse oxfordlearnersdictionaries.com