ech·i·na·cea

[ek-uh-ney-shuh, -see-uh]
noun
any of several coneflowers of the genus Echinacea whose leaves, roots, and other parts are used in herbal medicine to promote wound healing and enhance the immune system.
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World English Dictionary
echinacea (ˌɛkɪˈneɪʃɪə) [Click for IPA pronunciation guide]
 
—n
1.  See coneflower Also called: purple coneflower either of the two N American plants of the genus Echinacea, having flower heads with purple rays and black centres: family Compositae (composites)
2.  the powdered root of either of these plants, used to stimulate the immune system
 
[from New Latin, from Latin echīnātus prickly, from echīnus hedgehog]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Echinacea is always a great word to know.
So is flibbertigibbet. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a chattering or flighty, light-headed person.
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Example sentences
Echinacea is a herb that has been promoted as a natural way for preventing colds and the flu, and for making symptoms less severe.
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coneflower
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