noun
dressmaking
Refers to the craft or activity of making women's clothing, especially dresses, as a hobby or profession.
彼女はドレスメーキングを習っている。
She is learning dressmaking.
ドレスメーキングの本を買った。
I bought a book on dressmaking.
洋裁 is a more general Japanese term for Western-style sewing or dressmaking, while ドレスメーキング specifically emphasizes making dresses and carries a slightly more fashionable or hobbyist nuance.
Borrowed from English 'dressmaking'.