What is the meaning of Cờ?

flag; banner; standard; vexillum; streamer

vexillum (upper petal of a papilionaceous flower)

a board game in which there are pieces, such as chess, go, shogi, xiangqi, etc., or tokens such as bootleg Monopoly, Ludo, etc.

The name of the Latin-script letter C/c.

Source: wiktionary.org