[{"Bold_text": "noun", "List Items": ["the hole ,slit, or loop through which a button passed and by which it is secured.", "Chiefly British.a boutonniere.", "Surgery.a short, straight incision through the wall of a cavity or a canal."]}, {"Bold_text": "verb (used with object)", "List Items": ["to sew with a buttonhole stitch buttonhole stitch.", "to make buttonholes in.", "to hold by the buttonhole or otherwise abruptly detain (someone) in conversation:The reporter tried to buttonhole the mayor for a statement on the bus strike."]}]