马甲 mǎjiǎ sockpuppet Origin Definitions Defs Strokes Stroke Words Sentences Sents 红马甲 hóngmǎjiǎ floor trader a floor trader or broker in a stock exchange, historically named for their distinctive red vests马甲线 mǎjiǎxiàn toned abs (neologism c. 2013) (coll.) vertical groove visible on either side of the belly in a person with well-toned abs