• Olah Chadasha

    A new immigrant to the State of Israel

  • Omer

    A period of seven weeks counted and extending from the second day of Passover to the first day of Shavuoth, and observed as a period...

  • Onan

    The second son of Judah, a character from the Biblical book of Genesis, who withdrew before climax, spilled his seed on the ground and was...

  • Onanism

    Masturbation or coitus interruptus, named after the Biblical character Onan

  • Oneg

    An informal Friday evening Sabbath celebration, typically accompanied by food, drink, song and words of Jewish study

  • Oneg Shabbat

    An informal Friday evening Sabbath celebration, typically accompanied by food, drink, song and words of Jewish study

  • Orthodox

    A branch of Judaism that believes in the divinity of the written law (Bible), the oral law (Talmud) and the binding nature of Jewish ritual...

  • Oy

    The Yiddish equivalent of “Oh, no!”

  • Oy Vey

    The Yiddish equivalent of "Oh, no!"

  • Parasha

    The portion of the Bible (Torah) that is studied and read each week (An alternate spelling of ‘parsha’)