margin
noun.
the boundary line or the area immediately inside the boundary
Synonym: border, perimeter
noun.
an amount beyond the minimum necessary
the margin of victory
noun.
the amount of collateral a customer deposits with a broker when borrowing from the broker to buy securities
noun.
(finance) the net sales minus the cost of goods and services sold
noun.
the blank space that surrounds the text on a page
he jotted a note in the margin
noun.
a permissible difference; allowing some freedom to move within limits