[{"Bold_text": "noun", "List Items": ["a tool for pounding or grinding substances in a mortar.", "any of various appliances for pounding, stamping, etc."]}, {"Bold_text": "verb (used with object)", "List Items": ["to pound or grind with or as if with a pestle."]}, {"Bold_text": "verb (used without object)", "List Items": ["to work with a pestle."]}]