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mail order

1 ENTRIES FOUND:
mail order noun
plural mail orders
mail order
noun
plural mail orders
Britannica Dictionary definition of MAIL ORDER
[noncount] : a method of buying products that are received by mail
[count] : a product that is sent by mail to the person who bought it

— mail–order

/ˈmeɪlˌoɚdɚ/ adjective, always used before a noun