treasurer

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One who has charge of funds or revenues, especially the chief financial officer of a government, corporation, or association.

from The Century Dictionary.

• noun One who or that which treasures or stores up; one who has charge of treasure.
• noun Specifically, one who has the care of a treasure or treasury; an officer who receives the public money arising from taxes and duties or other sources of revenue, takes charge of the same, and disburses it upon orders drawn by the proper authority; also, one who has the charge of collected funds, such as those belonging to incorporated companies or private societies.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who has the care of a treasure or treasure or treasury; an officer who receives the public money arising from taxes and duties, or other sources of revenue, takes charge of the same, and disburses it upon orders made by the proper authority; one who has charge of collected funds.
• noun formerly, the third great officer of the crown. His office is now executed by five persons styled the lords commissioners of the treasury, or treasury lords.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The head of a corporation's treasury department.
• noun The official entrusted with the funds and revenues of an organization such as a club.
• noun The government official in charge of the Treasury.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an officer charged with receiving and disbursing funds