[{"Bold_text": "noun", "List Items": ["an exploratory walk by an astronaut on the surface of the moon .", "a dance move in which the dancer appears to slide backwards involuntarily while making the motions of walking forward, an illusion achieved by rising onto the ball of one foot, which bears the weight, while sliding the other foot backwards in a flat position, and alternating this step between feet."]}, {"Bold_text": "verb (used without object)", "List Items": ["(of an astronaut) to walk on the surface of the moon .", "to perform the moonwalk dance move."]}]