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mothball [ˈmɑːθˌbɑːl]

1 mothball noun
  • a small ball that contains a strong-smelling chemical and that is used to keep moths away from stored clothing
  • —used in phrases like in/into mothballs and out of mothballs to describe something that is stored without being used for a long time —sometimes used to describe a person (such as a performer) who has not been seen for a long time

2 mothball verb
  • to stop using (something) while keeping it to be possibly used in the future