泗洪 Traditional form: 泗洪 Pinyin (reading): Sìhóng Definitions: Sihong County in Suqian 宿遷/宿迁 ( Sùqiān), Jiangsu Characters: 泗 - mucus; to sniffle; a river in Shandong province 洪 - deluge, flood; immense, vast Traditional characters: 泗 - mucus; to sniffle; a river in Shandong province 洪 - deluge, flood; immense, vast