/ Dictionary / Index D diagonal cloth: Meaning and Definition of Find definitions for: diag'onal cloth" Pronunciation: [key] a twilled fabric woven with distinctly diagonal lines. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diagonal diagonalize Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language