dye

n. 1 substance used to change the colour of hair, fabric, etc. 2 colour so produced. v. (dyeing, dyed) 1 colour with dye. 2 dye a specified colour (dyed it yellow).  dyer n. [old english]

v. t. To stain; to color; to give a new and permanent color to, as by the application of dyestuffs.