Daffodil n. : A plant of the genus Asphodelus.

Daffodil n. : A plant of the genus Narcissus (N. Pseudo-narcissus). It has a bulbous root and beautiful flowers, usually of a yellow hue. Called also daffodilly, daffadilly, daffadowndilly, daffydowndilly, etc.

Example:
How long do you keep Daffodil bulbs and Crocus bulbs in the refrigerator when forcing Blooms?

Taxonomy
Daffodils, Narcissus, corona, flowers, perianth segments, plant, stem, divisions, segments, symbol, garden, origin, allies, pink, group species, bulb, Daffodils for North American Gardens, cultivars.

Defination from the web:
daffodil of folklore, poetry, and field may have a yellow to golden-yellow color all over, both in the wild species and ... One of the most common dermatitis problems for florists, "daffodil itch" involves dryness, fissures, scaling, and erythema in the hands, often ...