Strong's #2001: Haman (pronounced haw-mawn')
 of foreign derivation; Haman, a Persian vizier:--Haman.
Brown-Driver-Briggs Hebrew Lexicon:
 
  hâmân 
 
 Haman = "magnificent" 
 1) chief minister of Ahasuerus, enemy of Mordecai and the Jews, who plotted to kill the Jews but, being foiled by Esther, was hanged, with his family, on the gallows he had made for Mordecai
 
  Part of Speech: noun proper masculine
Relation: of foreign derivation
Usage:
This word is used 55 times:
Esther 9:10: "The ten sons  of Haman the son of Hammedatha, the enemy of the Jews,"
Esther 9:12: "the palace, and the ten sons  of Haman; what have they done in the rest of the king's"
Esther 9:13: "tomorrow also according unto this day's decree,  and let Haman's ten sons be hanged"
Esther 9:14: "was given at Shushan;  Haman's ten sons."
Esther 9:24: "Because  Haman the son of Hammedatha, the Agagite, the enemy of all"