1. the lines that separate one country, state, or area from another
2. the edges or outer parts of something
3. decorative strips or bands around the edge of something

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

Examples

• The two countries share peaceful borders.
• Security is tight at international borders.
• She planted flowers along the borders of her garden.
• The tablecloth has decorative borders with floral patterns.
• Canada borders the United States to the north.
• Mexico borders three U.S. states.
• His behavior borders on rudeness.
• The situation borders on chaos.