a diagrammatic representation showing how departments or divisions in an organization, as a large corporation, are related to one another along lines of authority.
Origin of organization chart
First recorded in 1940–45
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British Dictionary definitions for organization chart
a diagram representing the management structure of a company, showing the responsibilities of each department, the relationships of the departments to each other, and the hierarchy of management
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012