韮:
1. Ancient term for "韭" (jiu), which refers to garlic chives.
2. A perennial herb with long, flat leaves that blooms small white flowers in summer and autumn; the tender leaves and flowers are edible, and the seeds can be used in medicine. Commonly referred to as "韭", as in "韮黄" (yellow garlic chives). The term "韭" specifically denotes a long-standing type of vegetable, thus it is called "韭". — 『说文解字』
3. A general term for certain species of the onion family.