Breadcrumb Home > Dictionary > Index S sexcentenary: Meaning and Definition of Find definitions for: sex•cen•ten•ar•y Pronunciation: (seks"sen-ten'u-rē, seks-sen'tn-er"ē or, esp. Brit. -sen-tē'nu-rē), [key] — adj., n., pl. -nar•ies. —adj. pertaining to 600 or a period of 600 years; marking the completion of 600 years. —n. a 600th anniversary or its celebration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sex cell sex change 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: protean Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language