螺紋 Save Sign in to save words Simplified: 螺纹 luówén ㄌㄨㄛˊ ㄨㄣˊ spiral pattern whorl of fingerprint thread of screw Character by character 螺(luó)spiral shell 紋(wén)line Other words read luówén In the same tone 羅文 羅紋 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0