letter card
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letter card
n
1. a card, usually one on which the postage is prepaid, that is sealed by being folded in half so that its gummed edges come into contact with each other
2. a long card consisting of a number of postcard views, with space for writing a letter on the backs, that is folded like a concertina for posting
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014