[{"Bold_text": "noun", "List Items": ["Also called slide fastener slide fastener. a device used for fastening clothing, valises, etc., consisting of two toothed tracks or spiral metal or plastic coils, each bordering one of two edges to be joined, and a piece that either interlocks or separates them when pulled.", "a person or thing that zips . zip .", "a rubber and fabric boot or overshoe fastened up the leg by a zipper.", "a large illuminated display of news bulletins or advertisements that rapidly and continously flash by on an upper part of a building."]}, {"Bold_text": "verb (used with or without object)", "List Items": ["zip2 ."]}]