[{"Bold_text": "noun", "List Items": ["a fully mature female horse or other equine animal."]}, {"Bold_text": "noun", "List Items": ["nightmare ( def 3 ) nightmare ( def 3 )."]}, {"Bold_text": "noun", "List Items": ["any of the several large, dark plains on the moon and Mars: Galileo believed that the lunar features were seas when he first saw them through a telescope."]}]