/ Dictionary / Index Y Yad Vashem*: Meaning and Definition of Find definitions for: Yad Va•shem Pronunciation: (yäd' vä-shem'), [key] — Hebrew. Hebrew. the official authority in Israel for the commemoration of the Holocaust and its victims. the memorial shrine administered by this authority. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yadkin yaff Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language