名詞 gusset:

1. a piece of chain mail covering a place unprotected by armor plate
   同義詞：voider
2. a metal plate used to strengthen a joist
   同義詞：gusset plate
3. a piece of material used to strengthen or enlarge a garment
   同義詞：inset

gus.set

n.（名詞）
A triangular insert, as in the seam of a garment, for added strength or expansion.
襯料：一種三角形的插入物，在衣服的縫合處，為加固或加大衣服而用
A triangular metal bracket used to strengthen a joist.
角撐板：一種三角形的金屬托架，用來加固地板托梁
A piece of mail or plate armor protecting the joints in a suit of armor.
護腋甲片：盔甲中用來保護連結處的鎧甲或薄盔

來源：
Middle English
中古英語
from Old French gousset [perhaps diminutive of] gousse [pod, husk]
源自 古法語 gousset [] 可能是gousse的小后綴 [殼，支架]