/ Dictionary / Index R Rackham: Meaning and Definition of Find definitions for: Rack•ham Pronunciation: (rak'um), [key] 1867–1939, English illustrator and painter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rackety racking Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language