Relier Pairs Types of Barriers VocabularyVersion en ligne Click on the box to match the correct term and definition. par Stephanie Muniz 1 levee 2 sea wall 3 sand dune 4 sand bags 5 dam a barrier that blocks flowing water or sends it in a new direction. a hill of sand near an ocean or in a desert that is formed by the wind bags filled with sand a wall built to protect land along the coast from erosion and flooding from the sea a bank built along a river to prevent flooding