Measures taken by a state or a bloc of states to monitor its borders and regulate the movement of people, animals, and goods across the border.

A national agency that enforces the security of the country's national borders. / A person assigned to watch, protect or control the frontier between two sovereign states.

plural of border guard

The microvilli-covered surface of simple cuboidal epithelium and simple columnar epithelium cells found in certain parts of the body.

plural of border reiver

A traditional ballad from the border region connecting England and Scotland.

plural of border ballad

A vigorous style of traditional English dance originating from villages along the border between England and Wales, performed by a team of dancers usually with their faces disguised with black makeup.

A medium size, orange and brown butterfly with pearl markings on the under wing, Boloria euphrosyne, of the family Nymphalidae.

plural of pearl-bordered fritillary