A barrier that protects a harbor or shore from the full impact of waves.(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 "breakwater" in a sentence
""If you look out towards what you call the breakwater, you see all the edges right now with the rocks."
"Behind the south-facing second-story window with the optimal view of both the harbor and the breakwater is the main council chamber of the Brotherhood."
"What we're calling the breakwater is obviously working."