- The boiled and skinned root of a perennial plant, Curcuma longa, which is dried and ground. It originated in India but is now also grown in East Asia and South America. It has a slightly aromatic peppery and musky taste and imparts a deep yellow colour to food. Used in Indian and Asian cooking and as a colouring agent in the west.
- noun a yellow spice, used especially in pickles and curries