Meanings of single-member district in English

After the first round, on the present FPTP, single-member constituency system, all parties would keep the seats they had won.

Finland is divided into sixteen electoral districts returning from six to twenty-three members, with the one exception of Lapland, which is a single-member constituency.

But what kind of local representation does a system of single-member constituencies provide?

First-past-the-post in single-member constituencies tends to produce a two-party system.

The German Reichstag, which consists of 397 members, is elected by a system of single-member constituencies.