括线 Save Sign in to save words Traditional (Taiwan): 括線 kuòxiàn ㄎㄨㄛˋ ㄒㄧㄢˋ vinculum math. Character by character 括(kuò)tie up 线(xiàn)thread A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0