chro·mat·o·phore 
(krō-mătə-fôr′)
(krō-mătə-fôr′)n.
1. Any of several types of pigment cells, especially one found in a fish, amphibian, or reptile.
2. A multicellular organ in cephalopods that contains pigment cells.
3. A specialized pigment-bearing organelle in certain photosynthetic bacteria.