Gabion:
A gabion (from Italian gabbione meaning “big cage”; from Italian gabbia and Latin cavea meaning “cage”) is a cage, cylinder, or box filled with rocks, concrete, or sometimes sand and soil for use in civil engineering, road building, military applications and landscaping. [Wikipedia]
Noted in a reply to a letter to Archaeology (November / December 2019, not available online, extracted here):
One [head]stone was rescued from a pile of rocks being used to build the gabions protecting the base of the minaret, another was photographed in a side valley – the locals who showed it to us did not want it moved – and two others were in the ministry storeroom for safekeeping – David Thomas
