barrier island
noun
Simple Definition of barrier island
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: a long, sandy island that is near a shore
Source: Merriam-Webster's Learner's Dictionary
Full Definition of barrier island
: a long broad sandy island lying parallel to a shore that is built up by the action of waves, currents, and winds and that protects the shore from the effects of the ocean
1943
First Known Use of barrier island
1943
BARRIER ISLAND Defined for Kids
barrier island
noun
Definition of barrier island for Students
: a long broad sandy island parallel to a shore that is built up by the action of waves, currents, and winds
Learn More about barrier island
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Britannica.com: Encyclopedia article about barrier island
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