
1) Obsolete unit of measurement
Found on
https://www.crosswordclues.com/clue/parasang

The parasang is a historical Iranian unit of itinerant distance comparable to the European league. In antiquity, the term was used throughout much of the Middle East, and the Old Iranian language from which it derives can no longer be determined (only two—of what must have been dozens—of Old Iranian languages are attested). There is no consens...
Found on
http://en.wikipedia.org/wiki/Parasang

• (n.) A Persian measure of length, which, according to Herodotus and Xenophon, was thirty stadia, or somewhat more than three and a half miles. The measure varied in different times and places, and, as now used, is estimated at from three and a half to four English miles.
Found on
http://thinkexist.com/dictionary/meaning/parasang/
Par'a·sang noun [ Latin
parasanga , Greek ..., from Old Persian; confer Persian
farsang .] A Persian measure of length, which, according to Herodotus and Xenophon, was thirty stadia, or somewhat more than three and a half miles. The measure varied in different times and places, and, as now ...
Found on
http://www.encyclo.co.uk/webster/P/21

A parasang (farsang) is an ancient Persian (Iranian) unit of measurement equivalent to about three miles.
Found on
http://www.probertencyclopaedia.com/browse/AP.HTM
No exact match found.