It is a city in Iraq at the convergence of the Tigris and the Euphrates (reputed location of the Garden of Eden). What does the word mean? Where does it come from?
The first Google hit is a travel brochure. I had to tidy up the awkward translated English (and add some editorializing for the purposes of this science website), but it's succinct and informative enough. http://www.atlastours.net/iraq/qurna.html
