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Tombolo (English)
トンボロ (日本語)
Tombolo-FR (Français)

A deposition landform in which an island is attached to the mainland by a narrow piece of land such as a spit or bar. Once attached, the island is then known as a tied island.

Tombolo near Karystos, Euboea, Greece, Source: Wikipedia Commons
Tombolo in the Bay of Biscay, Source: iStockphoto/Thinkstock
Goff Island, Laguna Beach, CA, Source: