せびろ背広sebiro
1.
A type of attire typically worn by men for formal or professional occasions, consisting of a matching jacket and trousers, often referred to as a suit.
2.
Traditional male clothing that may originally include a coordinated waistcoat but is commonly worn without it, characterized by a single or double-breasted jacket style.
3.
An outfit designed for regular use by men, commonly known as a business suit, that has European origins possibly linked to civil attire or a specific tailoring district in London.
Example:
私は新しい背広を買った。