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. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language