[dahy-stuhf] 
| a material yielding or used as a dye. |
| dye (dī) n.
v. tr. To color (a material), especially by soaking in a coloring solution. v. intr. To take on or impart color. [Middle English deie, from Old English dēag, dēah.] dy'er n. |
| dye·stuff (dī'stŭf') n. See dye. |