district line

1. 1.

   the boundary between two districts

   Broaderboundary

Questions about district line

What does district line mean?

district line means "the boundary between two districts".

Is district line a common word?

district line is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.