Terek tyĕ´rĭk [key], river, c.370 mi (600 km) long, in Russia and Georgia, rising in the Caucasus, in Georgia, in glaciers W of Mt. Kazbek. It flows N through the Daryal gorge past Vladikavkaz, then E past Grozny and NE into the Caspian Sea. Below Kizlyar it forms a swampy delta c.60 mi (100 km) wide. In its lower course the Terek is used for irrigation. The upper valley is paralleled by the Georgian Military Road.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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