存水弯 / 存水彎

cún​shuǐ​wān

plumbing trap

a curved section of pipe that holds water to prevent sewer gases from entering a building; also called a U-bend

存 (literal) → 存 · cún · to store 水 (literal) → 水 · shuǐ · water 弯 (literal) → 弯/彎 · wān · bend

Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition

created sense May 20, 2026, 07:58 PM