/ Dictionary / Index C crankcase: Meaning and Definition of Find definitions for: crank•case Pronunciation: (krangk'kās"), [key] — n. (in an internal-combustion engine) the housing that encloses the crankshaft, connecting rods, and allied parts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: crankcase (Thesaurus) crank crankle Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language