Court piece is a term used in card games such as bridge and whist to refer to the highest ranking card of a particular suit. However, there are several synonyms for this term depending on the game and the region. In the game of spades, the court piece is known as the ace of spades. Similarly, in the game of hearts, it is referred to as the queen of spades. In the game of euchre, the card is called the right bower. In other parts of the world, court piece may also be referred to as the top trump or the top card. Regardless of the name, winning the court piece is often crucial to winning the game.