Tundra is the vast treeless plain in the Arctic region between the icecap and the tree line.(noun)
An example of tundra is where the subsoil is permanently frozen and the only growth is low growing plants such as moss and lichen.
See tundra in Webster's New World College Dictionary
Origin: Russ, of Lapp orig.
See tundra in American Heritage Dictionary 4
Origin: , from Sami tūndar, flat-topped hill.
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