Translation guide
A gusset is a piece of material inserted into a garment or bag to add shape, strength, or room. In Japanese, the term varies by context—clothing, bags, or mechanical parts.
A fabric insert in a garment to allow movement or reinforce a seam, typically at the underarm or crotch.
The most common term for a gusset in clothing, especially in sewing and tailoring. Refers to a diamond-shaped or triangular piece inserted into a seam.
このシャツは脇の下にマチが付いているので動きやすい。
This shirt has a gusset under the arms, so it's easy to move in.
The kanji form of マチ, used in written instructions or patterns. Same meaning but more technical.
型紙の襠の部分を裁断する。
Cut out the gusset part of the pattern.
Loanword from English, used in fashion or technical contexts, but less common than マチ.
このパンツにはガセットが付いていて、動きやすいデザインです。
These pants have a gusset for ease of movement.
A piece of material in a bag that allows it to expand, often on the sides or bottom.
Same word as for clothing, but used for bags. Refers to the expandable gusset that gives a bag depth.
このトートバッグはマチが広いので、たくさん入ります。
This tote bag has a wide gusset, so it holds a lot.
Specifically a bottom gusset, common in descriptions of bags and pouches.
底マチ付きのポーチは化粧品が整理しやすい。
A pouch with a bottom gusset makes it easy to organize cosmetics.
Means 'with gusset', often used in product descriptions.
マチ付きのバッグは収納力が高い。
Bags with gussets have high storage capacity.
A metal or rigid piece used to strengthen a joint or corner in construction or machinery.
In engineering, the loanword ガセット is standard for a gusset plate.
橋のトラスにはガセットプレートが使われている。
Gusset plates are used in the bridge's truss.
Full term for gusset plate, common in structural engineering.
ガセットプレートで梁と柱を接合する。
Join the beam and column with a gusset plate.
For clothing and bags, マチ is the natural choice. Use ガセット only in technical or engineering contexts.