Other forms: gussets
A gusset is an extra piece let in to give room or strength. Sew in a gusset, an underarm gusset, a gusset of leather.
It is usually a triangle or a diamond set into a seam, and it turns a garment that binds into one that moves. The word also names the reinforcing plate at a joint in engineering.
1noungussetAn extra piece let in to give room or strength.
“She sewed a gusset under the arm of the shirt so he could lift his arms freely.”
gusset is a piece.
Old French gousset means the hollow of the armpit, a diminutive of gousse, a pod.
Old French
gosset
Middle English
gusset
English, today
gusset
Built from
From Middle English gusset, gysset, from Old French gosset, gousset (“the hollow of the armpit”), diminutive of gose, gosse (“bean pod, hull, husk”).
Etymology from Wiktionary, CC BY-SA