What does "mail-order" mean?

To buy or sell goods to be delivered by mail.

Mail-order

Common synonyms include: catalog based shopping, catalog business, catalog delivered, catalog order, catalog purchase, catalog shopping.

verb

verb ·Rare ·Advanced level

Verb

1
To buy or sell goods to be delivered by mail.
"If you want to buy one of the albums reviewed in my article, or any women's music recording, it's not necessary to mail order them unless you can't get to a store. Thanks to Merle and other local distributors around the country, many stores carry women's music."

"An ideal pillow is available from a mail-order house."