book post
noun1
Dated The system and regulations in which books and printed matter may be sent through the mail, often at a reduced price.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Dated The system and regulations in which books and printed matter may be sent through the mail, often at a reduced price.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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