1. widely cultivated ornamental plant native to southern Europe but naturalized elsewhere having fragrant yellow or white clustered flowers
2. often used colloquially for any yellow daffodil
3. A bulbous plant of the genus Narcissus (N. Jonquilla), allied to the daffodil. It has long, rushlike leaves, and yellow or white fragrant flowers. The root has emetic properties. It is sometimes called the rush-leaved daffodil. See Illust. of Corona.