1. a ridge of sand built up by currents especially in a river or in coastal waters

Examples

• The boat ran aground on a sandbar in the shallow bay.
• Children played in the water near the sandbar at low tide.
• The river’s sandbar shifted after the spring floods.
• We walked across the exposed sandbar to reach the small island.
• The captain carefully navigated around the known sandbar.
• Seabirds gathered on the sandbar to rest and feed.