crocus

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cro·cus

(krō'kŭs),
The dried stigmas of Crocus sativus (C. officinalis) (family Iridaceae), formerly used occasionally in flatulent dyspepsia; also formerly used as an antispasmodic in asthma and dysmenorrhea and as a coloring and flavoring agent.
Synonym(s): saffron
[L. fr. G. krokos, the crocus, saffron (made from its stigmas)]