barrier island definition

  • noun:
    • an extended, fairly slim area operating parallel towards mainland, accumulated because of the activity of waves and currents and serving to guard the coastline from erosion by browse and tidal surges.
    • An island close to, and parallel to, the main shoreline.
    • a lengthy slim sandy area (larger than a reef) operating parallel towards coast
    • an extended, fairly thin island working parallel to the mainland, developed because of the activity of waves and currents and serving to protect the shore from erosion by surf and tidal surges.
    • An island near to, and parallel to, the main shoreline.
    • an extended narrow sandy area (wider than a reef) operating parallel to your shore
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