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Entry 2 senses · 2 variants Webster, 1913

mothball

· moth·ball · IPA /ˈmɔθˌbɔl/
01 n. A small sphere of camphor or naphthalene used to keep moths away from stored clothing.
  1. 1.
    A small sphere of camphor or naphthalene used to keep moths away from stored clothing.
Syn. camphor ball.
02 v. t. To put into long-term storage; as, to mothball the battleships not needed after the war.
  1. 1.
    To put into long-term storage; as, to mothball the battleships not needed after the war.