verb
- to mark (mail) with a postage stamp or official mark before sending, especially to indicate that postage has been paid in advance
Usage: chiefly historical or postal/philatelic context
Examples
- The postal clerk would prefrank the official documents with the government seal.
- Letters were prefrankked by the sender to avoid delays at the post office.
- Prefrankked envelopes were common in 19th-century business correspondence.