1. to form or mark a margin or border on something
Usage: technical; biology/medicine
2. to push or move toward the margin or edge
Usage: rare

Examples

• The disease marginates the affected tissue with a distinct border.
• In the microscope, the cell marginates as it approaches the edge of the slide.
• The policy marginates certain groups from mainstream participation.
• The ink marginates the page with a clean, defined line.
• As the organism grows, it marginates outward from the center.