[{"Bold_text": "noun", "List Items": ["Also calledpop?pet valve?.Machinery.a rising and falling valve consisting of a disk at the end of a vertically set stem, used in and steam engines.", "British Dialect.a girl or child (used as a term of endearment).", "Nautical.any of the vertical timbers bracing the bow or stern of a vessel about to be launched.", "poppit .", "poppethead ."]}]