a piece of material sewn into a garment to strengthen or enlarge a part of it, such as the collar of a shirt or the crotch of an undergarment 衬料(用以加固或加大衣服某处,如衬衣领子或内衣裆部等) ■a bracket strengthening an angle of a structure 结点板;角撑板
派生 gusseted adjective 语源
late Middle English: from Old French gousset, diminutive of gousse 'pod, shell', of unknown origin