Historical term for food carried or prepared by soldiers during the Sengoku period. Not used for modern military rations.
During the Sengoku period, field rations included dried rice and miso balls.
Compound of 陣中 (jinchū, 'in camp') and 食 (shoku, 'food'). The exact historical derivation is uncertain, but the term is associated with Sengoku-period military logistics.