1. past tense of demark; to mark the boundaries or limits of something
Usage: formal

Examples

• The surveyor demarked the property lines with wooden stakes.
• The treaty demarked the border between the two nations.
• Orange cones demarked the construction zone on the highway.
• The referee demarked the penalty area with spray paint.
• Historic boundaries were demarked by stone markers.
• The park ranger demarked the protected wildlife area.