What is 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 called?

reamer — 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. (Webster's 1913.)