Breadcrumb Home > Dictionary > Index A A battery: Meaning and Definition of Find definitions for: A battery Pronunciation: [key] — Electronics. Electronics. an electric battery for heating the filament or cathode heater of an electron tube. Cf. B battery, C battery. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. abattage abattoir TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language