Contrecoup
Pronunciation : Con`tre*coup"
Part of Speech : n.
Etymology : [F., fr. contre (L. contra) + coup a blow.] (med.)
Definition : Defn: A concussion or shock produced by a blow or other injury, in a part or region opposite to that at which the blow is received, often causing rupture or disorganisation of the parts affected.
Source : Webster's Unabridged Dictionary, 1913