Meaning of “sacrifice” - Learner’s Dictionary

sacrifice

verb [ T ] uk us /ˈsækrɪfaɪs/
GIVE UP

to give up something that is valuable to you in order to achieve something:

There are thousands of men ready to sacrifice their lives for their country.
KILL

to kill an animal and offer it to a god in a religious ceremony

(Definition of “sacrifice verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)