[{"Bold_text": "noun", "List Items": ["any of various rotary tools, with helical or straight flutes, for finishing or enlarging holes drilled in metal.", "any bladelike pick or rod used for scraping, shaping, or enlarging a hole:a pipe reamer.", "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.", "Dentistry.a drill with a spiral blade, for enlarging root canals."]}]