/ Dictionary / Index C Caithness: Meaning and Definition of Find definitions for: Caith•ness Pronunciation: (kāth'nes, kāth-nes'), [key] — n. a historic county in NE Scotland. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. caisson disease caitiff Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language