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| u·ro·py·gi·um [ yrə píjjee əm ] (plural u·ro·py·gi·ums) |
noun |
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| Definition: |
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part of bird's body: the fleshy hindmost part of a bird's body from which the tail feathers grow
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| [Late 18th century. Via medieval Latin< Greek ouropugion< oura "tail" + pugē "buttocks"] |
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