SNAIL MAIL

PRONUNCIATION: (SNAYL-mayl)

MEANING: noun: The physical delivery of letters and other material. Also, a piece of such mail.
verb tr., intr.: To send a letter or other material by the postal system.

ETYMOLOGY: From snail, known for its sluggishness, from Old English snægl + mail, from Old French malle (bag). Earliest documented use: 1929.
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NAIL MAIL - armor made by cutting the heads off nails and twisting the remaining shafts into interlocking rings to form a deflector when worn

STAIL MAIL - when you send a check to your bank and it's returned because it took more than six months to arrive

SAIL MAIL - an invitation to join the crew of an Americas' Cup yacht