[{"Bold_text": "noun", "List Items": ["a pungent powder or paste prepared from the seeds of certain mustard plants, used as a food seasoning or condiment, and medicinally in plasters, poultices, etc.", "Botany.any of various cruciferous plants of the mustard family mustard family,noted for their acrid and pungent qualities and widely cultivated for culinary and agricultural purposes: among the most commercially important mustards are black mustard black mustard, brown mustard brown mustard,and white mustard white mustard.", "nitrogen mustard nitrogen mustard."]}]