|(in the Jewish calendar) the twelfth month of the year according to biblical reckoning and the sixth month of the civil year, usually falling within February and March. In a leap year, an additional month Adar Rishon (first Adar) is intercalated between Shevat and Adar, and the latter is known as Adar Sheni (second Adar)|
large, the sixth month of the civil and the twelfth of the ecclesiastical year of the Jews (Esther 3:7, 13; 8:12; 9:1, 15, 17, 19, 21). It included the days extending from the new moon of our March to the new moon of April. The name was first used after the Captivity. When the season was backward, and the lambs not yet of a paschal size, or the barley not forward enough for abib, then a month called Veadar, i.e., a second Adar, was intercalated.