背囊 Traditional form: 背囊 Pinyin (reading): bèináng Definitions: backpack knapsack rucksack Characters: 背 - back, backside; to betray, to violate 囊 - bag, purse, sack; to pocket, to stow Traditional characters: 背 - back, backside; to betray, to violate 囊 - bag, purse, sack; to pocket, to stow