1. area between the edge of a page and the written or printed text; border, edge; boundary, limit; profit from the difference between costs and net sales. set margins on typewriter or page; make comments in the margin; to set apart a particular area; set apart an additional amount of space or money for security. marginmargin , v. t. [imp. & p. p. margined ; p. pr. & vb. n. marginging.]