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| ar·bor [ rbər ] (plural ar·bors) |
noun |
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| Definition: |
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1. axle on machine or power tool: a shaft, axle, or spindle on a machine or a power tool
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2. supporting piece: a machine part that holds an object being worked on
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3. reinforcing part of mold: a part that reinforces the core of a mold used to cast metal
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| [Mid-17th century. Via French< Latin, "tree, mast, lever, shaft"] |
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