Breadcrumb Home > Dictionary > Index O Cite ostinato: Meaning and Definition of Find definitions for: os•ti•na•to Pronunciation: (os"ti-nä'tōIt.ôs"tē-nä'tô), [key] — pl. -tos. a constantly recurring melodic fragment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ostinato (Thesaurus) ostiary ostiole TrendingHere are the facts and trivia that people are buzzing about. April 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 Quetzalcoatl: Aztec Myths and Myths About the Aztecs Related Content Daily Word Quiz: mantra Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language