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binder (EN)
noun

noun “binder”

singular binder, plural binders or uncountable
  1. a folder or cover for holding loose sheets of paper
    She organized her class notes in a binder.
  2. a substance used to hold or stick materials together
    The recipe calls for an egg as a binder to keep the ingredients together.
  3. (in programming) a software component that performs binding
    The language uses a dynamic binder to link objects at runtime.
  4. a person who binds, especially books
    The binder carefully restored the old volume.
  5. (in agriculture) a machine used for tying harvested crops into bundles
    The farmer used a binder to gather the wheat efficiently.