1. The act of taking from an enemy by way of reteliation or indemnity.
Debatable ground, on which incursions and reprisals continued to take place. --Macaulay.
2. Anything taken from an enemy in retaliation.
3. The act of retorting on an enemy by inflicting suffering or death on a prisoner taken from him, in retaliation for an act of inhumanity.
4. Any act of retaliation.
Letters of marque and reprisal. See under Marque.
n : a retaliatory action against an enemy in wartime