[{"Bold_text": "noun", "List Items": ["gyrocompass .", "gyroscope ."]}, {"Bold_text": "noun", "List Items": ["meat, usually lamb, roasted on a vertical spit, then thinly sliced, topped with onions, and usually served in a sandwich of pita bread."]}, {"Bold_text": null, "List Items": ["a combining form meaning “ring,” “circle,” “spiral,” used in the formation of compound words:gyromagnetic; gyroscope."]}]