凸摺線 Save Sign in to save words Simplified: 凸折线 tūzhéxiàn ㄊㄨ ㄓㄜˊ ㄒㄧㄢˋ convex polygonal line Character by character 凸(tū)stick out 摺(zhé)fold 線(xiàn)thread A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0