雨鞋 (yǔ xié) literally means 'rain shoe' — combining 雨 (yǔ), meaning 'rain', and 鞋 (xié), meaning 'shoe' or 'footwear'. It refers specifically to waterproof boots worn to keep feet dry during rainy weather. Unlike regular shoes, rain boots are typically made of rubber or other impermeable materials and extend above the ankle, sometimes to the calf. They are commonly used by children and adults alike in spring and autumn when rainfall is frequent.

In everyday Chinese, 雨鞋 is a neutral, practical term — neither formal nor slang — and appears frequently in weather-related conversations, shopping contexts, and daily preparations. While similar in function to Western 'rain boots' or 'wellingtons', the term doesn’t imply brand or style; it simply denotes purpose-built footwear for wet conditions. You’ll often see them paired with phrases like 下雨时 (when it rains), 潮湿的天气 (humid weather), or 穿上 (to put on).