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."margin of victory"
5.NounA permissible difference; allowing some freedom to move within limits."margin of error"
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.
8.NounThat which is ancillary; periphery."This model merely nips at the margins."
9.NounThe shape of the edge of a leaf.
10.VerbTo add a margin to.
11.VerbTo enter (notes etc.) into the margin.
12.VerbTo trade (securities etc.) on margin (collateral).