/ Dictionary / Index C cross-validation: Meaning and Definition of Find definitions for: cross-val•i•da•tion Pronunciation: (krôs'val"i-dā'shun, kros'-), [key] — n. Statistics. a process by which a method that works for one sample of a population is checked for validity by applying the method to another sample from the same population. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cross-utilize cross-vein Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language