Meaning : A business suit consisting of a matching jacket and skirt or trousers.
Synonyms : lounge suit, two-piece suit
Meaning : A woman's very brief bathing suit.
Synonyms : bikini
Meaning : (of clothing) made in or consisting of two parts or pieces.
Example :
A two-piece swimsuit.
(of clothing) made in or consisting of three parts or pieces.
The standard three-piece business suit; jacket and trousers and vest.