Sentence:  135. An <WSD>armistice</WSD> is the cessation of active hostilities for a period agreed upon between belligerents. It must be agreed upon in writing, and duly ratified by the highest authorities of the contending parties. / 136. If an <WSD>armistice</WSD> be declared, without conditions, it extends no further than to require a total cessation of hostilities, along the front of both belligerents. 
Meaning of the word marked with <WSD> tags:  A (short) cessation of combat; a ceasefire, a truce. (from late 17th c.)