- the aromatic rhizome of an Asian plant, Curcuma domestica (or C. longa), of the ginger family.
- a powder prepared from it, used as a condiment, as in curry powder, or as a yellow dye, a medicine, etc.
- the plant itself.
- any of various similar substances or plants.
- a tropical Asian zingiberaceous plant, Curcuma longa, having yellow flowers and an aromatic underground stem
- the powdered stem of this plant, used as a condiment and as a yellow dye
- any of several other plants with similar roots
