1. Noun
A plant (Centaurea cyanus) which grows in grain fields. It receives its name from its blue bottle-shaped flowers.
2. Noun
A large and troublesome species of blowfly (Musca vomitoria). Its body is steel blue.
3. Noun
an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
Vocabulary classified under Biology
4. Noun
blowfly with iridescent blue body; makes a loud buzzing noise in flight
Vocabulary classified under Nature and environment
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