reamer

(-ər)

noun

a person or thing that reams; specif.,
  1. a sharp-edged tool for enlarging or tapering holes
  2. juicer
  3. an implement for scraping out the caked lining of a pipe bowl

See reamer in American Heritage Dictionary 4

noun
  1. Any of various tools used to shape or enlarge holes or bores.
  2. A utensil with a conical, ridged projection, used for extracting citrus-fruit juice.

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reamer

citrus (left) and wood-boring reamers

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