1. narrow strips of sand or sediment that connect an island to the mainland or to another island
Usage: geography; geology

Examples

• The tombolo connecting the small island to the shore is only visible at low tide.
• Several tombolos formed along the coast after years of sediment deposition.
• Tourists can walk across the tombolo to reach the offshore island.
• The storm damaged the tombolo, temporarily cutting off access to the island.
• Geologists studied how the tombolos developed over centuries of wave action.
• The beach resort was built on a tombolo between two rocky outcrops.