Simple Definition of mail order
: a method of buying products that are received by mail
: a product that is sent by mail to the person who bought it
Full Definition of mail order
: an order for goods that is received and filled by mail
mail–orderplay \-ˌȯr-dər\ adjective
Examples of mail order in a sentence
You can purchase the books by mail order.
The store sent out all its mail orders in time for the holiday.
First Known Use of mail order
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