armistice

US /ˈɑːr.mə.stɪs/
UK /ˈɑːr.mə.stɪs/
"armistice" picture
1.

a formal agreement of warring parties to stop fighting; a truce.

:
The two nations signed an armistice to end the conflict.
The armistice was declared on November 11, 1918, ending World War I.