All 4 Uses

armistice
in
War and Peace
(Edited)

You command only my advance guard, and have no right to arrange an armistice without my order.
Chpt 2

armistice = agreement to temporarily stop fighting a war
Break the armistice immediately and march on the enemy.
Chpt 2 *
In June the battle of Friedland was fought, in which the Pavlograds did not take part, and after that an armistice was proclaimed.
Chpt 5
Rostov, who felt his friend's absence very much, having no news of him since he left and feeling very anxious about his wound and the progress of his affairs, took advantage of the armistice to get leave to visit Denisov in hospital.
Chpt 5

Definitions:

(1) (armistice)
an agreement to temporarily stop fighting a war -- typically to discuss terms of peace
(2) (meaning too rare to warrant focus)