[{"Bold_text": "noun", "List Items": ["Alsojig? saw?.an electric machine saw a narrow blade mounted vertically in a frame, for cutting curves or other difficult lines or patterns."]}, {"Bold_text": "verb (used with object)", "List Items": ["to cut or form with a jigsaw."]}, {"Bold_text": "adjective", "List Items": ["formed by or as if by a jigsaw:jigsaw ornamentation."]}]