reamer: Meaning and Definition of

ream•er

1. any of various rotary tools, with helical or straight flutes, for finishing or enlarging holes drilled in metal.
2. any bladelike pick or rod used for scraping, shaping, or enlarging a hole: a pipe reamer.
3. a kitchen utensil for extracting and collecting juice from fruits, having a deep saucerlike base and in the center a grooved cone on which the fruit half is pressed down by hand.
4. a drill with a spiral blade, for enlarging root canals.