Definition of back-to-back noun from the Oxford Advanced Learner's Dictionary

 

back-to-back

 noun
noun
BrE BrE//ˌbæk tə ˈbæk//
 
; NAmE NAmE//ˌbæk tə ˈbæk//
 
(British English) Types of home
 
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a house in a row of houses that share walls with the houses on each side and behind back-to-backs built for the poor in the 19th century See related entries: Types of home