Simple Definition of barrier island
: a long, sandy island that is near a shore
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
First Known Use of barrier island
BARRIER ISLAND Defined for Kids
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
Britannica.com: Encyclopedia article about "barrier island"
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