Pronunciation: ( Seph. Heb.tē-shä' bu-äv'; Ashk. Heb.tish'u-bôv"), [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. Also,Tish•ah' b'Ab'.Also called Ninth of Av.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.