n. Printed material, such as a book or magazine, that is not considered first-class mail and qualifies for a special postal rate.
print′ed mat`ter
n. 1. any of various kinds of printed material that qualify for a special postal rate. 2. a classification of international mail consisting of such items, including catalogs and circulars. [1875–80]TranslationsDrucksacheimpression AcronymsSeepacemaker