gusset
noun /ˈɡʌsɪt/
/ˈɡʌsɪt/
- an extra piece of cloth sewn into a piece of clothing to make it wider, stronger or more comfortable
(缝在衣服上用以放大、加固等的)衬料 词源late Middle English: from Old French gousset, diminutive of gousse ‘pod, shell’, of unknown origin.