snail-mail
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snail mail
Paper mail sent through the postal service (as opposed to email). Snails are thought of as very slow. A: "Did we get any exciting snail mail today?" B: "Nah, just some bills." Wait, you sent the invitations snail mail? Why didn't you just do e-vites?
snail-mail
n. post office mail; regular mail as opposed to electronic mail. (Refers to the slowness of regular mail in comparison to electronic mail or faxes.) There are lots of color pictures in the article, so I will send you the original by snail-mail.