margin UK /ˈmɑː.d͡ʒɪn/US /ˈmɑɹ.d͡ʒɪn/noun 9verb 3forms 3 noun9 •The edge of the paper, typically left blank when printing but sometimes used for annotations etc. •A difference or ratio between results, characteristics, scores.Chelsea will point to that victory margin as confirmation of their superiority - but Spurs will complain their hopes of turning the game around were damaged fatally by Atkinson's decision. — 2012 •The yield or profit; the selling price minus the cost of production. •The edge or border of any flat surface.The lobule margins, furthermore, are arched away from the lobe, with the consequence that (when fully inflated) the abaxial leaf surface forms the interior lining of the lobule. — 1992 •The shape of the edge of a leaf.Red Whortleberry leaves have a crenate margin. — 1878 •That which is ancillary; periphery.This model merely nips at the margins. •(figurative) The edge defining inclusion in or exclusion from a set or group.As far as space is concerned, Mary Lamb finds herself at the farthest margin of society - among tramps - when the novel begins. — 1999 •A permissible difference; allowing some freedom to move within limits. •Collateral security deposited with a broker, to compensate the broker in the event of loss in the speculative buying and selling of stocks, commodities, etc.The purchaser then hands over this margin to the person with whom he hypothecates the Stock. — 1848 verb3 •To add a margin to; to furnish with a margin. •To trade (securities etc.) on margin (collateral).This sounds easy, but bear in mind that margined portfolios decline faster than cash portfolios in a bear market. — 2011 •To enter (notes etc.) into the margin. formsmargined · margining · margins