What does "snail mail" mean?

Mail (physical material) sent in the post, especially as compared with email.

What is a synonym for "snail mail"?

Common synonyms include: smail, via postal mail.

Pronounced //ˈsneɪl ˌmeɪl//.

/ˈsneɪl ˌmeɪl/ noun

noun ·Rare ·Advanced level

Noun

1
Mail (physical material) sent in the post, especially as compared with email. retronym, uncountable
"I came home to a mailbox stuffed with snail mail."
2
any mail that is physically delivered by the postal service wordnet
3
Mail (postal service), especially as compared with email. retronym, uncountable
"The official notice will be sent via both email and snail mail owing to legal requirements."

"I came home to a mailbox stuffed with snail mail."

A retronym emphasizing postal mail's slowness compared to email.