muni mu‧ni [ˈmjuːni] noun [countable] informal
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muni UK US /ˈmjuni/ noun [C] (also muni bond, also municipal bond) FINANCE, STOCK MARKET
► a bond that is sold by a town or city government in the US: »
Among actively traded munis, New York City water revenue bonds ended down one point.
Financial and business terms. 2012.