greeting card

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A folded, decorated card bearing a message of greeting, congratulation, or other sentiment, usually sent or given on a special occasion or holiday.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A card, typically folded in half and available commercially, that is sent to someone as a greeting. (This entry is here for translation purposes only.)

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a card sent to express personal greetings