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1. general post office
2. Government Printing Office
(Government, Politics & Diplomacy) general post office
1. general post office.
2. Government Printing Office.
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|Noun||1.||GPO - an agency of the legislative branch that provides printing and binding services for Congress and the departments and establishments of the federal government|
bureau, federal agency, government agency, agency, office, authority - an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority"
legislative branch - the branch of the United States government that has the power of legislating