an injury, esp to the brain, that occurs at the opposite side of the body from that which was struck
contrecoup in American English
(ˈkɑntrəˌku)
noun
an injury, as to the brain, resulting from a blow but produced in a part opposite to the part that received the blow, resulting from the impact of the organ against an unyielding surface
Word origin
Fr < contre (L contra), against + coup, a blow, coup