It's simple. A typical three-piece suit has a suit jacket, waistcoat and trousers, more commonly know as pants.
Pants, jacket and vest.
shirt
UK-Trousers, jacket and waist-coat(optional).
A three piece suit comprises of a jacket, pants, and a vest that is worn underneath the jacket. A two piece suit does not include the vest. The three piece suit was most popular in the early 19th century.
A three piece suit can be purchased from almost all mens clothing stores. Alternatively, a three piece suit can most likely be rented from a tuxedo shop.
He invented the three piece suit
It is a bathing suit with a top piece (covering the breasts) and a bottom piece (covering the groin and buttocks). The word "bikini" was first applied to this apparel by Louis Réard in 1946, following the US atomic tests at Bikini Atoll.
Basically it is a 1 piece swim suit cut at the waist so it is 2 pieces but covers the stomach.
A two piece suit generally includes the jacket and pants. A three piece suit includes the jacket and pants, but also a vest that is worn underneath the jacket. Was a very popular look back in the early 19th century but is still seen today in bankers and lawyers. but there is a difference you have to wear good ones
Three-piece suits are suits that contain three parts; The suit jacket, waistcoat and trousers. (If you can see the picture below, you'll get a better idea of what I mean, wait, never mind, it won't let me upload the photo)
The Penguin.
Eighth reap ease hoot= a three piece suit