Definition of "turmeric"

(botany) An Indian plant, Curcuma longa, with aromatic rhizomes, part of the ginger family (Zingiberaceae).  examples

(cooking) The pulverized rhizome of the turmeric plant, used for flavoring and to add a bright yellow color to food.  examples

A yellow to reddish-brown dye extracted from the turmeric plant.  examples