Tac-au-tac
Pronunciation : Tac`-au-tac", n. [F.
Part of Speech : fr.
Definition : Defn: The parry which is connected with a riposte; also, a series of quick attacks and parries in which neither fencer gains a point.
riposter du tac au tac to parry (where tac imitates the sound made by the steel).] (Fencing)
Source : Webster's Unabridged Dictionary, 1913