border

the line that separates one country, area, or region from another

frontera, límite

• a border between two countries

Collocations border crossing · customs at the border

• The border between Mexico and the United States is very long.

  La frontera entre México y Estados Unidos es muy larga.

the edge of something, especially a country or area

borde, límite

• at the border of sth

Collocations border town · border region

• The village lies at the border of a national park.

  El pueblo se encuentra en el borde de un parque nacional.

a rule or limit that is set by law

límite, regla legal

• within the border of sth

Collocations border on something illegal · stay within the borders of the law

• The company is pushing the legal border.

  La empresa está acercándose al límite legal.

the edge of a picture or piece of paper, especially when it is decorated in some way

borde, marco

• a border around sth

Collocations border of a painting · decorative border on paper

• The picture has an intricate border.

  La imagen tiene un borde intrincado.