What does the name tie dye mean?

The term tie-dye refers to the process of taking a garment and using strings or rubberbands to "tie" it in several different spots. Then it is put in "dye" and after it is done and the string is removed you are left with a swirly pattern of dyed and undyed fabric. It may be retied and dyed in other colors for a more colorful look.
It is two colors of more next to each other in a style or pattern.