Parthian
Pronunciation : Par"thi*an
Part of Speech : a.
Definition : Defn: Of or pertaining to ancient Parthia, in Asia. -- n.
Defn: A native 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.
Source : Webster's Unabridged Dictionary, 1913