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1. Banking Dictionary: Gilt-Edged

British pound sterling bonds (gilts), issued by the Bank of England, and known as gilts in the market, as these securities have little risk of default. It also refers to AAA-rated U.S. Corporate bonds.

2. Dictionary: 

gilt-edged

  (gĭlt'ĕjd') also gilt-edge (-ĕj')

    adj.

1. Having gilded edges, as the pages of a book.
2. Of the highest quality or value: gilt-edged securities; gilt-edged credentials.
3. Very wealthy: “Barricades prevented the curious from coming any closer to the gathering of gilt-edged mourners” (Edward Rothstein).