1. a line that separates one country, state, or area from another
2. the edge or boundary of something
3. a decorative strip around the edge of something

1. to form a boundary of; to be next to
2. to come very close to being something

Examples

• The refugees crossed the border into safety.
• Mexico borders the United States to the south.
• She planted flowers along the border of her garden.
• The tablecloth had a lace border around the edges.
• His behavior borders on rudeness.
• The two countries share a long border.
• The picture frame has a gold border.