parasang definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
an ancient Persian unit of linear measure equal to 30 stadia or 3.455 miles (5.56 kilometers)
Origin: Classical Latin parasanga ; from Classical Greek parasangēs ; from Old Persian from source Persian farsang
parasang definition by American Heritage Dictionary
An ancient Persian unit of distance, usually estimated at 3.5 miles (5.6 kilometers).
Origin: Latin parasanga, from Greek parasangēs, of Iranian origin.