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

Another element is the spindle gusset, which reinforces the spindle (also called a knuckle). —Kristin Shaw, Popular Science, 31 July 2025

Period swimsuits feel like regular bathing suits but are designed with a discreet, multilayered gusset. —Tabitha Britt, Glamour, 31 July 2025

Liners adhere to the fabric sewn into the crotch of your underwear, known as the gusset. —Cody Godwin, USA Today, 17 July 2025

The rocker shape has tuned down to ensure stability with the new tech, and the upper is updated with more breathable mesh and the gusset now extends all the way down the toe. —Ian Servantes, Footwear News, 3 Sep. 2019

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