ream·er /ˈrimɚ/
  鑽孔器,鉸孔錐,橘子榨汁器
  ream·er /ˈrɪmɚ/ 名詞
  擴孔鑽
  Ream·er n. One who, or that which, reams; specifically, an instrument with cutting or scraping edges, used, with a twisting motion, for enlarging a round hole, as the bore of a cannon, etc.
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  reamer
       n 1: a squeezer with a conical ridged center that is used for
            squeezing juice from citrus fruit [syn: juicer, juice
            reamer]
       2: a drill that is used to shape or enlarge holes