Parthian may be: A demonym `of Parthia`, a region of north-eastern of Greater Iran Parthian may also refer to: ... Found on http://en.wikipedia.org/wiki/Parthian
Par'thi·an adjective Of or pertaining to ancient Parthia, in Asia. -- noun A native of Parthia. Parthian arrow , an arrow discharged at an enemy when retreating from him, as was the custom of the ancient Parthians; hence, a parting shot. Found on http://www.encyclo.co.uk/webster/P/27
HMS Parthian was a British Parthian Class submarine of 1475 tons displacement launched in 1929 and sunk during the Second World War. HMS Parthian was armed with one 4-inch gun; two machine-guns and eight 21-inch torpedo tubes. She had a top speed of 17.5 knots surfaced, 9 knots submerged and carried a complement of 50. Found on http://www.probertencyclopaedia.com/browse/RP.HTM