Noun
1. the act of losing or surrendering something as a penalty for a mistake or fault or failure to perform etc.
2. personnel that are sacrificed (e.g., surrendered or lost in order to gain an objective)
3. a loss entailed by giving up or selling something at less than its value;
"he had to sell his car at a considerable sacrifice"4. the act of killing (an animal or person) in order to propitiate a deity
5. (sacrifice) an out that advances the base runners