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