olive branch

US /ˈɑl.ɪv bræntʃ/
UK /ˈɑl.ɪv bræntʃ/
"olive branch" picture
1.

something that is offered to an enemy or opponent in order to make peace

:
The government extended an olive branch to the rebels, offering negotiations.
After years of conflict, the two families finally exchanged an olive branch.