Noah Webster's Dictionary 1. (n.) A genus of iridaceous plants, with pretty blossoms rising separately from the bulb or corm. C. vernus is one of the earliest of spring-blooming flowers; C. sativus produces the saffron, and blossoms in the autumn. 2. (n.) A deep yellow powder; the oxide of some metal calcined to a red or deep yellow color; esp., the oxide of iron (Crocus of Mars or colcothar) thus produced from salts of iron, and used as a polishing powder.

Multi-Version Concordance Crocus (1 Occurrence) Isaiah 35:1 The waste land and the dry places will be glad; the lowland will have joy and be full of flowers. (See NAS RSV NIV)