Definition of copper-fasten in English:

copper-fasten

Line breaks: copper-fasten

Entry from British & World English dictionary

verb

[with object]
Make (an undertaking or agreement) firm or binding: the Irish government persuaded the EC to copper-fasten its anti-abortion law

Definition of copper-fasten in:

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Word of the day bimble
Pronunciation: ˈbimbəl
verb
walk or travel at a leisurely pace