Echinacea definition

ĕkə-nāsē-ə, -nāshə
Any of a genus (Echinacea) of North American plants of the composite family, esp. a coneflower (E. purpurea) with purple flowers.
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Any of several coneflowers of the genus Echinacea, having usually pinkish-purple ray flowers.
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The roots, seeds, or other parts of such a plant, used in herbal medicine.
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Any of several coneflowers of the genus Echinacea, having usually pinkish-purple ray flowers.
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A medicinal herb made from the roots, leaves, etc. of certain of these plants.
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The roots, seeds, or other parts of such a plant, used in herbal medicine.
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(countable) Any of several plants, of genus Echinacea, having pinkish-purple flowers.
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(uncountable) A herbal medicine extracted from the roots and seeds of such plants.
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(plant of genus Echinacea): purple coneflower.
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A taxonomic superorder within the subclass Euechinoidea — sea urchins with solid spines and gills.
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A taxonomic genus within the tribe Heliantheae — the coneflowers.
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Other Word Forms

Noun

Singular:
echinacea
Plural:
echinaceas

Origin of echinacea

  • New Latin Echīnācea genus name from Latin echīnus sea urchin (from its rough leaves) echinus

    From American Heritage Dictionary of the English Language, 5th Edition

  • From scientific Latin Echinacea, from Ancient Greek ἐχῖνος (ekhinos, “hedgehog”) (because of the soft "spines" in the centre of the flower) +‎ -acea.

    From Wiktionary

  • From Latin echinus (“sea anemone”) +‎ -acea (“resembling”)

    From Wiktionary

  • Echinus (“species of anemone”) +‎ -acea

    From Wiktionary