gusset

noun

gus·​set ˈgə-sət 

1

: a usually diamond-shaped or triangular insert in a seam (as of a sleeve, pocketbook, or shoe upper) to provide expansion or reinforcement

2

: a plate or bracket for strengthening an angle in framework (as in a building or bridge)

gusset transitive verb

Illustration of gusset

• gusset 2

Examples of gusset in a Sentence

Recent Examples on the Web

Underarm gussets and side vents allow for easy movement, and the flat seams add even more comfort. — Caitlyn Fitzpatrick, Travel + Leisure, 27 June 2026

Medium compression smooths the waist, hips, and thighs, while a pull-aside gusset simplifies bathroom breaks. — Malia Griggs, Glamour, 4 June 2026

Saalt developed a patented three-layer gusset technology designed to create one of the thinnest and driest leakproof underwear products on the market. — Tanya Benedicto Klich, Forbes.com, 28 May 2026

They’re intentionally designed from the flexible side boning that acts as a waist trainer without digging in the skin to the open gusset that makes bathroom breaks a breeze. — Essence Wiley, InStyle, 28 May 2026

Word History

Etymology

Middle English, piece of armor covering the joints in a suit of armor, from Anglo-French goussete

First Known Use

circa 1570, in the meaning defined at sense 1

Rhymes for gusset

• russet

Kids Definition

gusset

noun

gus·​set ˈgəs-ət 

: a usually triangular or diamond-shaped insert (as on a bridge) to give width or strength