Definitions
1.nounThe edge of the paper, typically left blank when printing but sometimes used for annotations etc.
2.nounThe edge or border of any flat surface.
3.nounThe edge defining inclusion in or exclusion from a set or group.
4.nounA difference or ratio between results, characteristics, scores.
5.nounA permissible difference; allowing some freedom to move within limits.
6.nounThe yield or profit; the selling price minus the cost of production.
7.nounCollateral security deposited with a broker, to compensate the broker in the event of loss in the speculative buying and selling of stocks, commodities, etc.