The suit of cups is one of the four suits of the minor arcana of the tarot cards. Sometimes they are called chalices or bowls.
Full list of cups cards can be found here:
Cups tarot cards
This suit represents the element of water, and is associated with hearts in playing cards. In a card reading, this suit can help you to understand your emotions, indicate that the situation involved is an emotional issue or give you glimpses as to how someone else is feeling about you or a particular aspect of things. Cups are also associated with creativity, inspiration, intuition and attachment.