In general, an invitation or notification sent out on the occasion of a marriage; specifically, two cards, one bearing the name of the bride and the other that of the groom.(noun)
The Century Dictionary (Public Domain)
Use "wedding-cards" in a sentence
"Not five minutes since I sent his wedding-cards out to the dust-hole, and tossed the letter that came with them into the fire."
"A few weeks after my aunt's marriage I received the wedding-cards of"
"Among our other letters this morning was a package from London containing the dainty wedding-cards of a beautiful young American pianist (Teresa Carreño) and her handsome violinist husband, accompanied by a long letter from the bride."