[{"Bold_text": null, "List Items": ["a brand of teletypewriter."]}, {"Bold_text": "noun", "List Items": ["(lowercase)a network of teletypewriters with their connecting lines, switchboards, etc."]}, {"Bold_text": "verb (used with object)", "List Items": ["(lowercase)to send by Teletype."]}, {"Bold_text": "verb (used without object)", "List Items": ["(lowercase)to operate a Teletype."]}]