sacrifice
noun
the act of losing or surrendering something as a penalty for a mistake or fault or failure to perform etc.
personnel that are sacrificed (e.g., surrendered or lost in order to gain an objective)
a loss entailed by giving up or selling something at less than its value
“he had to sell his car at a considerable sacrifice”
the act of killing (an animal or person) in order to propitiate a deity
Synonymsritual killing(baseball) an out that advances the base runners
verb
endure the loss of
“He gave his life for his children”
“I gave two sons to the war”
Synonymsgivekill or destroy
“The animals were sacrificed after the experiment”
“The general had to sacrifice several soldiers to save the regiment”
sell at a loss
make a sacrifice of; in religious rituals
Source: WordNet 3.1, Princeton University