/ Dictionary / Index S Seventh Amendment: Meaning and Definition of Find definitions for: Sev'enth Amend'ment Pronunciation: [key] an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, guaranteeing trial by jury. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. seventh Seventh Avenue Related Content Daily Word Quiz: meritocracy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language