American English idiom meaning "to make peace"
"Bury the hatchet" is an American English idiom meaning "to make peace". The phrase is an allusion to the figurative or literal practice of putting away weapons at the cessation of hostilities among or by Native Americans in the Eastern United States. It specifically concerns the formation of the Iroquois Confederacy and in Iroquois custom in general. Weapons were to be buried or otherwise cached ... Wikipedia