barrier reef Definition

reef, coral reef, coral, great barrier reef, ocean, coastline, lagoon, atoll, sargasso sea, estuary, tropical, mangrove, fringing reef, cayes, tuamotu archipelago, icefield, volcanic crater, archipelago, coralligerous, coralligenous, seabeds, fiord, coralliferous, coastlands, marquesas, islands, seamount, freshwater, estuarine, hebridean islands, fjord, intertidal, biodiverse, landmass, coralloidal, beaches, snorkeling, birdlife, galapagos islands, salt marsh, headland, shorelines, intracoastal waterway, cenote, austral islands, smalltooth sawfish, bahama islands, harpy eagle, bird sanctuary, drake passage, raiatea, inner hebrides, bioregion, cape sable, madrepore, coral sea, rookery, oarfish, greater antilles, antarctic peninsula, hawaiian islands, rainforest, leatherback turtle, tyrrhenian, seabeach, dunes, biosphere, elkhorn, chagos, scilly islands, lake onega, basking shark, nudibranch, gyre, unspoilt, icecaps, snailfish, southernmost, waterway, skink, emperor penguin, subpolar, landmasses, seabirds, pacific coast, archipelagic, namib desert, marquesas islands, corallian, gorgonians, spitzbergen, whale shark, titicaca, planet, anchorages, uxmal, freshwater eel, mudflat, freshwater mussel, bellingshausen sea,