Breadcrumb Home > Dictionary > Index P Cite power of attorney: Meaning and Definition of Find definitions for: pow'er of attor'ney Pronunciation: [key] ? Law. Law. a written document given by one person or party to another authorizing the latter to act for the former. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. power of appointment power pack TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: invective Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language