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

Athletes and outdoor lovers will appreciate that the underarm gussets promote mobility, while rolled forward shoulder seams help to prevent bunching and chafing underneath backpack straps. —Harry Spampinato, Travel + Leisure, 10 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

The gusset is wide enough for wearing pads postpartum, too. —Bestreviews, Chicago Tribune, 24 Feb. 2026

The edges of the gussets are also piped to prevent rips and provide long-term durability. —Caley Sturgill, Southern Living, 24 Jan. 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