Dictionary
Shi•vah A•sar Be•tam•muz
Pronunciation: ( Seph. Heb.shē-vä' ä-sär' bi-tä'mOOz; Ashk. Heb.shiv'u ô'sur bi-tä'mooz, shi-vô' ô-sôr'), [key]a Jewish fast day observed on the 17th day of Tammuz in memory of the breach of the walls of Jerusalem by the Romans in a.d.70.
Also,Shibah Asar Betammuz.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.