We found 7 dictionaries that define the word snailmail:

General (2 matching dictionaries)

1. Snailmail, snailmail: Wordnik
2. snailmail: Wiktionary

Business (1 matching dictionary)

3. Snailmail: Financial dictionary

Computing (2 matching dictionaries)

4. Webopedia (No longer online)
5. snailmail: Encyclopedia

Medicine (1 matching dictionary)

6. SnailMail, SnailMail: Laser Eye Surgery

Slang (1 matching dictionary)

7. snailmail: Urban Dictionary

Definitions from Wiktionary (Snailmail) ▸ noun:  Alternative form of snail mail. [(retronym) Mail (physical material) sent in the post, especially as compared with email.] Similar: snail-mail, snail pace, mail box, mail-out, mail-box, mailslot, mailbomb, mail bag, fanmail, letter box, more... Opposite: email, electronic mail, e-mail ▸ Words similar to snailmail ▸ Usage examples for snailmail ▸ Idioms related to snailmail ▸ Wikipedia articles (New!) ▸ Popular adjectives describing snailmail ▸ Words that often appear near snailmail ▸ Rhymes of snailmail ▸ Invented words related to snailmail