A genus of low herbs (Bellis), belonging to the family Compositæ. The common English and classical daisy is B. perennis, which has a yellow disk and white or pinkish rays.
- Any of several plants of the composite family, especially a widely naturalized Eurasian plant (Chrysanthemum leucanthemum) having flower heads with a yellow center and white rays. Also called oxeye daisy, white daisy.
- A low-growing European plant (Bellis perennis) having flower heads with pink or white rays. Also called English daisy.
- The flower head of any of these plants.
- Slang One that is deemed excellent or notable.