马甲线 mǎjiǎxiàn abdominal lines Definitions Defs Origin Strokes Stroke Words Sentences Sents 马甲 馬甲 mǎjiǎ vest a vest or sleeveless garment worn over a shirt, often a waistcoat; sometimes used in southern dialects线 線 xiàn noun line (geometry) (geometry) the figure formed by a moving point