The Collaborative International Dictionary of English v.0.48:
Parting \Par"ting\ (p[aum]rt"[i^]ng), a. [From Part, v.]
1. Serving to part; dividing; separating.
2. Given when departing; as, a parting shot; a parting
salute. "Give him that parting kiss." --Shak.
3. Departing. "Speed the parting guest." --Pope.
4. Admitting of being parted; partible.
Parting fellow, a partner. [Obs.] --Chaucer.
Parting pulley. See under Pulley.
Parting sand (Founding), dry, nonadhesive sand, sprinkled
upon the partings of a mold to facilitate the separation.
Parting strip (Arch.), in a sash window, one of the thin
strips of wood let into the pulley stile to keep the
sashes apart; also, the thin piece inserted in the window
box to separate the weights.
Parting tool (Mach.), a thin tool, used in turning or
planing, for cutting a piece in two.