one of the four suits in playing cards, represented by a symbol with three round leaves

the three/King of clubs 三张梅花牌／梅花K

In this round, clubs are trumps.

I knew I would win the round because I had the ace of clubs.

Diamonds are trumps, so even a two beats your king of clubs.

Sort the pack into diamonds, hearts, spades, and clubs.

See also: club noun (CARD)