/ Dictionary / Index K karst: Meaning and Definition of Find definitions for: karst Pronunciation: (kärst), [key] — n. Geol. an area of limestone terrane characterized by sinks, ravines, and underground streams. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Karsh kart Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language