/ Dictionary / Index C crankshaft: Meaning and Definition of Find definitions for: crank•shaft Pronunciation: (krangk'shaft", -shäft"), [key] — n. Mach. a shaft having one or more cranks, usually formed as integral parts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: crankshaft (Thesaurus) crankpin crank-sided Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language