1. the action of fixing the boundary or limits of something
2. a dividing line or boundary between different areas, groups, or concepts

Examples

• The treaty established clear demarcations between the two countries.
• There are strict demarcations between the roles of different departments.
• The fence serves as a physical demarcation of property lines.
• Social demarcations often reflect economic differences.
• The demarcations on the map showed territorial boundaries.
• Clear demarcations help prevent workplace conflicts.
• The demarcations between public and private land were disputed.