Strong's #143: 'Adar (pronounced ad-awr')

probably of foreign derivation; perhaps meaning fire; Adar, the 12th Hebrew month:--Adar.

Brown-Driver-Briggs Hebrew Lexicon:

'ădâr

Adar = "glorious"

1) twelfth month, corresponding to modern March-April

Part of Speech: noun

Relation: probably of foreign derivation

Usage:

This word is used 8 times:

 

Esther 3:7: "and from month to month, to the twelfth month, that is, the month Adar."
Esther 3:13: "even upon the thirteenth month, which is the month Adar, and to take the spoil"
Esther 8:12: "day of the twelfth month, which is the month Adar."
Esther 9:1: "Now in the twelfth month, that is, the month Adar, on the thirteenth day"
Esther 9:15: "on the fourteenth day also of the month Adar, and slew three hundred"
Esther 9:17: "On the thirteenth day of the month Adar; and on the fourteenth day of the same rested"
Esther 9:19: "the fourteenth day of the month Adar a day of gladness and feasting,"
Esther 9:21: "the fourteenth day of the month Adar, and the fifteenth day"