plural of black flag

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.

(transitive) To summon (a racing driver) to the pits by waving a black flag.

plural of black hat

plural of black rhinoceros

A villain or bad guy in a story, especially in a Western (a film or other work of the Western genre).

A Haredi Jew; a member of an ultra-Orthodox Jewish community.

A species of rhinoceros, Diceros bicornis, in the family Rhinocerotidae.

October 24, 1929, the day of a major stock market crash, regarded as the onset of the Great Depression in the United States.

plural of black swan