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Webster's New World College Dictionary » barrier island
barrier island
barrier island definition
barrier island
a long island, parallel to the coastline, formed from a ridge of sand (barrier beach) thrown up by the waves, that serves the shore as a protective barrier against tidal waves, storms, etc.
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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