Etymology

Noun

1. The outer edge of something.

   a solid 1px border around a table

2. A decorative strip around the edge of something.
3. A strip of ground in which ornamental plants are grown.
4. The line or frontier area separating political or geographical regions.
5. Short form of border morris or border dancing; 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 make up.

Verb

1. To put a border on something.
2. To lie on, or adjacent to a border.