Definition of croci:
(n) :
A perennial flowering plant (of the genus Crocus in the Iridaceae family). Saffron is obtained from the stamens of Crocus sativus.
(n) :
Any of various similar flowering plants, such as autumn crocus and prairie crocus.
(n) :
(Jamaica, Trinidad and Tobago) Burlap.
(n) :
(inorganic chemistry, obsolete) A deep yellow powder, the oxide of some metal (especially iron), calcined to a red or deep yellow colour.
(n) :
(obsolete, slang) A fraudulent doctor; a quack.