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| trun·nion [ trúnnyən ] (plural trun·nions) |
noun |
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| Definition: |
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pivot: either of a pair of pivots, especially the cylindrical knobs on the side of a cannon's barrel that allow it to pivot on the gun carriage
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| [Early 17th century. < French trognon "fruit core, tree stump"] |
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 trun·nioned adjective |
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