马甲线 Save Sign in to save words Traditional (Taiwan): 馬甲線 mǎjiǎxiàn ㄇㄚˇ ㄐㄧㄚˇ ㄒㄧㄢˋ (neologism, attested by 2013) (coll.) vertical groove visible on either side of the belly in a person with well-toned abs Character by character 马(mǎ)surname Ma 甲(jiǎ)first of the ten Heavenly Stems 十天干 shítiāngān 线(xiàn)thread A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0