柯林斯詞典lighthouse /?la?t?ha?s/ (lighthouses) 1. N-COUNT A lighthouse is a tower containing a powerful flashing lamp that is built on the coast or on a small island. Lighthouses are used to guide ships or to warn them of danger. 燈塔 返回 lighthouse劍橋詞典a tall building near the coast or shore with a flashing light at the top to warn ships of rocks and other dangers 燈塔 返回 lighthouse