RhymeZone: margin definitions

Definitions of margin:

noun: the blank space that surrounds the text on a page
noun: the amount of collateral a customer deposits with a broker when borrowing from the broker to buy securities
noun: the boundary line or the area immediately inside the boundary
noun: a strip near the boundary of an object
Example: "He jotted a note on the margin of the page"
noun: a permissible difference; allowing some freedom to move within limits
noun: (finance) the net sales minus the cost of goods and services sold