/ Dictionary / Index C C battery: Meaning and Definition of Find definitions for: C battery Pronunciation: [key] — Electronics. Electronics. an electric battery for supplying a constant voltage bias to a control electrode of a vacuum tube. Cf. A battery, B battery. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CBAT CBC Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language