Definitions of sacrifice:

• noun:   (sacrifice) an out that advances the base runners
• noun:   the act of killing (an animal or person) in order to propitiate a deity
• noun:   personnel that are sacrificed (e.g., surrendered or lost in order to gain an objective)
• noun:   a loss entailed by giving up or selling something at less than its value

  Example: "He had to sell his car at a considerable sacrifice"

• noun:   the act of losing or surrendering something as a penalty for a mistake or fault or failure to perform etc.
• verb:   make a sacrifice of; in religious rituals
• verb:   endure the loss of
• verb:   sell at a loss
• verb:   kill or destroy

  Example: "The animals were sacrificed after the experiment"