WordNet Dictionary- [n] a drill that is used to shape or enlarge holes
- [n] a squeezer with a conical ridged center that is used for squeezing juice from citrus fruit
Webster's 1913 Dictionary\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 a bore of a cannon, etc.