Definitions

1. noun

any of several perennial plants of the genus Echinacea, having purple, pink, or white flowers, native to North America and cultivated for their medicinal and ornamental value

“The herbalist recommended an echinacea supplement to boost the patient’s immune system.”

2. noun

a plant of the genus Echinacea, especially Echinacea purpurea or Echinacea angustifolia, used as a remedy for various ailments

“The doctor prescribed echinacea to alleviate the patient’s cold symptoms.”

3. noun

a preparation made from the root of the plant Echinacea, used as a medicine

“The alternative medicine store sold echinacea extracts for sale over the counter.”