Definition of Esther

Noun: Esther es-tu(r)

(Old Testament) a beautiful Jewess chosen by the king of Persia to be his queen; she stopped a plot to massacre all the Jews in Persia (an event celebrated by Jews as the feast of Purim)
An Old Testament book telling of a beautiful Jewess who became queen of Persia and saved her people from massacre
- Book of Esther