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Definition of "lighthouse" []

  • A tall structure topped by a powerful light used as a beacon or signal to aid marine navigation. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "lighthouse" in a sentence
  • "Serving no seafaring purpose, the lighthouse is a fascinating landmark on the prairies providing a spectacular view of the many lakes, beaches, and resorts in the area."
  • "In an essay on telecommunications pricing, Andrew Odlyzko spends some time reviewing the controversy about whether a lighthouse is necessarily a public good."
  • "The lighthouse is made of iron and was completed in 1872."