opening card
nounUK /ˈəʊpənɪŋ kɑːd/
US /ˈoʊpənɪŋ kɑːrd/
A card you open to see a message or picture inside.
She gave me an opening card with a funny joke inside.
RELATED WORDS
OTHER MEANINGS
2. The first card played in a card game.
He laid down his opening card and the game began.
3. A card used to start or announce an event.
The opening card for the show listed all the performers.
4. A promotional card that introduces a product or offer.
The store handed out an opening card for its grand sale.