sandbank

Noun

1.

sandbank - a submerged bank of sand near a shore or in a river; can be exposed at low tide

ait, archipelago, atoll, bank, bar, cay, continental island, coral head, coral heads, coral island, coral reef, flat, ford, holm, insularity, ironbound coast, island, island group, islandology, isle, islet, key, ledges, lee shore, oceanic island, pitfall, quicksands, reef, rockbound coast, rocks, sandbar, sands, shallow, shallows, shelf, shoal, shoal water, shoals, tidal flats, undercurrent, undertow, wetlands