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  1. Oxford Dictionary

    pulley block

    • n.
      a block or casing in which one or more pulleys are mounted.

    • noun: pulley block, plural noun: pulley blocks

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    pulley block

    • IPA[ˈpo͝olē bläk]
    • n.
      a block or casing in which one or more pulleys are mounted.

    Oxford American Dictionary