/ Dictionary / Index C cairn: Meaning and Definition of Find definitions for: cairn Pronunciation: (kârn), [key] — n. a heap of stones set up as a landmark, monument, tombstone, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cairn (Thesaurus) Cairene cairngorm Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language