margin

noun

1. 1

   a permissible difference; allowing some freedom to move within limits

2. 2

   an amount beyond the minimum necessary

   the margin of victory

3. 3

   the blank space that surrounds the text on a page

   he jotted a note in the margin

4. 4

   (finance) the net sales minus the cost of goods and services sold

5. 5

   the amount of collateral a customer deposits with a broker when borrowing from the broker to buy securities

6. 6

   the boundary line or the area immediately inside the boundary