Western dressmaking; tailoring
Refers to making Western-style clothing, as opposed to traditional Japanese clothing (和裁). Often used in contexts like sewing classes or hobbies.
My mother is good at dressmaking and often makes clothes for me.
彼女は洋裁教室に通い始めた。
She started attending a dressmaking class.
My mother studied dressmaking when she was young.
She's good at dressmaking and often makes her own clothes.
I go to dressmaking class once a week.