Noun cornflower has 2 senses
- strawflower, cornflower, Uvularia grandiflora - plant of southern and southeastern United States grown for its yellow flowers that can be dried
--1 is a kind of bellwort, merry bells, wild oats
--1 is a member of Uvularia, genus Uvularia
- cornflower, bachelor's button, bluebottle, Centaurea cyanus - an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
--2 is a kind of flower
--2 is a member of Centaurea, genus Centaurea
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