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A sand or gravel bar or spit that connects an island with another island or an island with the mainland. Also known as connecting bar; tie bar; tying bar.



one of the depositional forms of a shoreline. It is a low, narrow band of sand, gravel, or shell detritus that connects a nearby island with the shoreline. It is formed primarily as a result of beach and longshore drift.

References in periodicals archive ?
The authors detail the varieties of beaches--including barrier island shorelines, spits, and tombolos. The authors explain the anatomy of a beach and explain how a changing sea level and weather conditions can affect it over time.
Two of the sandy barriers are terminal spits, and the other four comprise two double tombolo systems, separated by shallow lagoons, that extend between six of the islands.