Definition of coppering in English:

coppering

noun

mass nounBritish
informal
  • The work of a police officer.

    ‘he doesn't do his coppering by the book’
    • ‘Cutting crime is a combination of economic regeneration, good old-fashioned coppering and effective early intervention.’

Pronunciation

coppering

/ˈkɒpərɪŋ/