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| tra·pe·zi·um [ trə pzee əm ] (plural tra·pe·zi·ums or tra·pe·zi·a [ trə pzee ə ]) |
noun |
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| Definition: |
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1. mathematics quadrilateral with no parallel sides: a quadrilateral that has no parallel sides
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2. U.K. mathematics
Same as trapezoid (sense 1)
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3. anatomy wrist bone: a small bone in the wrist at the base of the thumb
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| [Late 16th century. Via late Latin< Greek trapezion "small table" < trapeza "table" < peza "foot"] |
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  tra·pe·zi·al adjective |
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