border district is a noun meaning "district consisting of the area on either side of a border or boundary of a country or an area". It carries one recorded sense.
district consisting of the area on either side of a border or boundary of a country or an area
“the Welsh marches between England and Wales”
Definitions, synonyms and semantic relations for border district come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.