kislev(n = noun.time) chislev - the third month of the civil year; the ninth month of the ecclesiastical year in the Jewish calendar (in November and December);
the third month of the Jewish civil year; the ninth month of the ecclesiastical year in the Jewish calendar, occupying a part of November and a part of December. [WordNet 1.5]
Also see definition of "kislev" in Bible Study Dictionaries