/ Dictionary / Index D disk crank: Meaning and Definition of Find definitions for: disk' crank" Pronunciation: [key] — Mach. Mach. a crank having the form of a disk with a crankpin mounted off-center. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. disk brake disk drive Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language