1) British play 
Semi-detached housing (often abbreviated to semi in the UK, Canada and Australia, as in `three-bedroom semi`, and occasionally referred to as se-tenant houses) consists of pairs of houses built side by side sharing a party wall and usually in such a way that each house`s layout is a mirror image of its twin. This style of housing, although buil......
A building attached to a similar one on one side but unattached on the other.