What is the meaning of ?

black (color)

a black stone; the person who plays black stones

a 女房詞 (nyōbō kotoba, woman's word) for (nabe, pot, pan) or (kama, pot, kettle)

short for 黒字 (kuroji): black as an accounting term, indicating a profit

short for 黒幕 (kuromaku): a black curtain (someone influencing or controlling matters from behind the scenes)

guilt; the guilty one, the guilty party

anarchy as a belief system or philosophy

an anarchist

black

Source: wiktionary.org