Webster's English Dictionarymargin
Cross references: 1. border 1. mar.gin \'ma:r-j*n\ \-j*nd\ n [ME, fr. L margin-, margo border - more at MARK] 1: the part of a page outside the main body of printed or written matter 2: the outside limit and adjoining surface of something : EDGE 3a: a spare amount or measure or degree allowed or given for contingencies or special situations 3b: the limit below which economic activity cannot be continued under norma l conditions 4a: the difference which exists between net sales and the cost of merchandi se sold and from which expenses are usu. met or profit derived 4b: the excess market value of collateral over the face of a loan 4c1: cash or collateral which is deposited with a broker to secure him from loss on a contract 4c2: a customer's equity if his account is terminated at prevailing market prices 4c3: a speculative transaction in which the broker does part of the financi ng 4c4: an allowance above or below a certain figure within which a purchase o r sale is to be made 5: measure or degree of difference - mar.gined aj 2. margin vt 1: to enter or summarize in the margin of (a page or sheet) 2a: to provide with an edging or border 2b: to form a margin to : BORDER 3: to deposit a margin upon (as stock); specif : to hold or keep s ecured by depositing or adding to a margin