dance card
card used by a woman to record the names of the gentlemen with whom she intends to dance each successive dance at a formal ball
en-GB/ˈdɑːns ˈkɑːd/
en-US/ˈdæns ˈkɑɹd/
card used by a woman to record the names of the gentlemen with whom she intends to dance each successive dance at a formal ball