Breadcrumb Home > Dictionary > Index P power pack: Meaning and Definition of Find definitions for: pow'er pack" Pronunciation: [key] — Electronics. Electronics. a device for converting the voltage from a power line or battery to the various voltages required by the components of an electronic circuit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. power of attorney power plant TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: limpid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language