‘壶口’ (hú kǒu) literally means ‘pot mouth’ or ‘kettle mouth’, combining 壶 (hú), meaning ‘kettle’ or ‘pot’, and 口 (kǒu), meaning ‘mouth’ or ‘opening’. The name vividly describes the waterfall’s distinctive shape: the Yellow River narrows dramatically into a steep, bottle-necked gorge where water plunges forcefully—resembling liquid pouring from the spout of a teapot. This iconic natural landmark is located on the Yellow River at the border between Shanxi and Shaanxi provinces.

While ‘壶口’ is primarily known as the proper name of the Hukou Waterfall—the largest yellow waterfall in the world—it is rarely used in everyday speech outside this geographical context. It does not function as a generic term for any ‘pot-shaped opening’; instead, it is a fixed, place-specific noun. Visitors often describe its thunderous roar, misty spray, and awe-inspiring scale, making it a symbol of China’s natural grandeur and a frequent subject in poetry, photography, and geography education.