Definiciones
1.NounAny flag that has a black, or predominantly black, color, :
A flag with a black color, used as a symbol of anarchism.
A racing flag with a black color, used in auto racing to summon a driver to the pits.
2.NounA flag with a black color, used as a symbol of anarchism.
3.NounA racing flag with a black color, used in auto racing to summon a driver to the pits.
4.VerbTo summon (a racing driver) to the pits by waving a black flag.