land bridge

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noun

Geology. an actual or hypothetical strip of land, subject to submergence, that connects adjacent continental landmasses and serves as a route of dispersal for plants and animals: a prehistoric land bridge between Asia and North America.
a transcontinental rail route between countries, as those in Europe and the Far East, considered faster and less costly than all-sea routes.

Also land·bridge [land-brij] /ˈlændˌbrɪdʒ/.

Origin of land bridge

First recorded in 1895–1900

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for land bridge

Historical Examples of land bridge

The new-comers had migrated from some centre of culture in North Africa, and appear to have crossed over the Italian land-bridge.
Ancient Man in Britain
Donald A. (Donald Alexander) Mackenzie
The easiest crossing to Britain was over the English Channel land-bridge.
Ancient Man in Britain
Donald A. (Donald Alexander) Mackenzie

British Dictionary definitions for land bridge

land bridge

noun

(in zoogeography) a connecting tract of land between two continents, enabling animals to pass from one continent to the other

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012