An example of a perimeter is the line where your fence goes on the border of your yard.
Origin of perimeter
- Middle English perimetre from Latin perimetros from Greek peri- peri- metron measure meter2
From American Heritage Dictionary of the English Language, 5th Edition
- From Ancient Greek Ï€ÎµÏÎ¯Î¼ÎµÏ„ÏÎ¿Ï‚ (perimetros).