螺丝母 Save Sign in to save words Traditional (Taiwan): 螺絲母 luósīmǔ ㄌㄨㄛˊ ㄙ ㄇㄨˇ nut (female component of nut and bolt) Character by character 螺(luó)spiral shell 丝(sī)silk 母(mǔ)mother A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0