an area of limestone terrane characterized by sinks, ravines, and underground streams.
Origin of karst
1900–05; < German, generic use of Karst, name of limestone plateau north of Trieste
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(modifier) denoting the characteristic scenery of a limestone region, including underground streams, gorges, etc
Word Origin for karst
C19: German, from Karst, limestone plateau near Trieste
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
name of a high, barren limestone region around Trieste; used by geologists from 1894 to refer to similar landforms. The word is the German form of Slovenian kras.
Online Etymology Dictionary, © 2010 Douglas Harper