Definition of three-piece adjective from the Oxford Advanced Learner's Dictionary

 

three-piece

 adjective
adjective
BrE
 
; NAmE
 
[only before noun]
 
jump to other results
consisting of three separate parts or pieces a three-piece suit (= a set of clothes consisting of trousers/pants, a jacket and a waistcoat / vest) (British English) a three-piece suite (= a set of three pieces of furniture, usually a sofa and two armchairs)
See the Oxford Advanced American Dictionary entry: three-piece