from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A gold coin formerly used in Persia worth 10,000 dinars.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A former currency of Iran.
from the GNU version of the Collaborative International Dictionary of English
- n. A money of account in Persia, whose value varies greatly at different times and places. Its average value may be reckoned at about two and a half dollars.
from The Century Dictionary and Cyclopedia
- n. A current gold coin of Persia, worth 7s, 2¼ d. English (about $1.76).
Farsi tūmān, from Turkic tümen, unit of ten thousand.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Persian تومان (tumân), from Mongolian. (Wiktionary)