Search Result for "lettercard": 
Wordnet 3.0

NOUN (1)

1. a postcard that folds so the message is inside; 



The Collaborative International Dictionary of English v.0.48:

lettercard \lettercard\ n.
   a postcard that folds so that the message is inside.
   [WordNet 1.5]


WordNet (r) 3.0 (2006):

lettercard
    n 1: a postcard that folds so the message is inside