See Also: Color for Color - Blackjack(gambling)
Color Up(casino)
Color Up/Out(casino)
Eye color(health)
Being Off Color - Croquet(gambling)
Color opponency(health)
color 2, verb(dictionary)
color guard(dictionary)
color line(dictionary)
Change Color(casino)

color line (oh) and Maj. (iou)


color line (oh)



n [singular]
AmE the set of laws or social customs in some places that prevents people of different races from going to the same places or taking part in the same activities
British Equivalent: colour bar

Maj. (iou)



Maj. abbreviation.
Major.