Mail-order (adjective)

1. Purchasing goods by mail delivery.
2. Describing a business that sells goods through the mail.
3. Selling goods through catalogs or online websites for customers to order and receive by mail.

Origin:

The term "mail-order" comes from the practice of ordering goods by mail, which is a system of purchasing goods by mail delivery. the term is believed to have originated in the early 19th century, when catalogs first began to be used as a means of ordering goods.

Examples:

1. He ordered a mail-order bride from Russia.
2. He purchased a mail-order telescope from a catalog.
3. The mail-order catalog offered a wide variety of products at discounted prices.
4. She had always enjoyed browsing through the mail-order catalogs that came in the mail.
5. The company was a mail-order business, it sold products through catalogs and online.