REAMER 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.
SCAVENGER n.
A person whose employment is to clean the streets of a city, by scraping or sweeping, and carrying off the fifth. The name is also applied to any animal which devours refuse, carrion, or anything injurious to health. Scavenger beetle (Zoöl.), any beetle which feeds on decaying substances, as the carrion beetle. -- Sca…