Croci

noun

1. A perennial flowering plant (of the genus Crocus in the Iridaceae family). Saffron is obtained from the stamens of Crocus sativus.
2. Any of various similar flowering plants, such as the autumn crocus and prairie crocus.
3. A deep yellow powder, the oxide of some metal (especially iron), calcined to a red or deep yellow colour.
4. A fraudulent doctor; a quack.