Giso was a warehouse which was constructed in important domestic places to store rice and other grain in case of natural disasters and famine, and the grain in stock was collected from ordinary people or acquired using the cash contributions by the rich.
義倉（ぎそう）とは、災害や飢饉に備えて米などの穀物を一般より徴収し、または富者から寄付を得て、これを貯蓄するために国内の要地に設けた倉庫。