noun
Meaning 1
An envelope whose mailing for an authorized purpose does not requiring postage, while its unauthorized use may be penalized.
Definition source: English Wiktionary via Wiktextract
Usage: US
Examples
- The voter should take their absentee ballot to a post office, ask for a penalty envelope and mail it with the ballot inside.
Meaning relationships
Synonyms: none provided
Antonyms: none provided