[{"Bold_text": "noun", "List Items": ["a frame of metal bars for holding fuel when burning, as in a fireplace, furnace, or stove.", "a framework of parallel or crossed bars, used as a partition, guard, cover, or the like; grating .", "a fireplace ."]}, {"Bold_text": "verb (used with object)", "List Items": ["to furnish with a grate or grates."]}, {"Bold_text": "verb (used without object)", "List Items": ["to have an irritating or unpleasant effect:His constant chatter grates on my nerves.", "to make a sound of, or as if of, rough scraping; rasp .", "to sound harshly; jar :to grate on the ear.", "to scrape or rub with rough or noisy friction, as one thing on or against another."]}, {"Bold_text": "verb (used with object)", "List Items": ["to reduce to small particles by rubbing against a rough surface or a surface with many sharp-edged openings:to grate a carrot.", "to rub together with a harsh, jarring sound:to grate one's teeth.", "to irritate or annoy.Synonyms: bug , rile , irk , nettle , gall , vex", "Archaic.to wear down or away by rough friction."]}]