/Dictionary /Index T Tishah b'Av: Meaning and Definition of Find definitions for: Tish•ah b'Av Pronunciation:(Seph. Heb.tē-shä' bu-äv'Ashk. Heb.tish'u-bôv&sec),[key] a Jewish fast day observed on the ninth day of the month of Av in memory of the destruction in Jerusalem of the First and Second Temples. Random House Unabridged Dictionary,Copyright © 1997, by Random House, Inc., on Infoplease. Tiselius Tishri Related Content Daily Word Quiz:immunity Analogy of the Day:今天的类比 Spelling Bee:Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language