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

It’s made of polyamide-elastane blend and has a 100-percent cotton gusset that’s form-fitting and contours the body while also being undeniably comfortable during long hours. —Olivia Bria, Travel + Leisure, 18 Apr. 2026

Double leg gusset The leg gusset helps prevent leaks when the inner part of the diaper simply can’t contain the situation. —Bestreviews, Mercury News, 13 Apr. 2026

This side sleeper pillow from Parachute is designed with a 3.5-inch gusset to take the strain off your neck and shoulders. —Julia Harrison, Architectural Digest, 11 Mar. 2026

The Spanx SPANXshape Invisible Open-Bust Mid-Thigh Bodysuit also feels a lot less restrictive with its lightweight and breathable LYCRA FitSense material, raw-cut hems, and open gusset (which makes going to the bathroom so much easier). —Jessie Quinn, StyleCaster, 9 Mar. 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