noun (n)

• a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit(noun.artifact)

  Synonym:
  juice reamer, juicer
  

  source: wordnet30
• a drill that is used to shape or enlarge holes(noun.artifact)

  source: wordnet30
• 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.(noun)

  source: webster1913