parting (
http://definr.com/parting)
adj : delivered at the moment of parting as if in flight or
retreat; "paused to deliver a parting shot at the
door"; "a Parthian volley of expletives from Uncle
Billy"- Bret Harte [syn:
parthian]
n : the act of departing politely; "he disliked long farewells";
"he took his leave"; "parting is such sweet sorrow" [syn:
farewell,
leave,
leave-taking]