atbash

Noun

Singular atbash

Plural none

1. (uncountable) Atbash is a simple cipher used to hide the meaning of a piece of text. In atbash, the alphabet goes in reverse. The letter A becomes the letter Z, the letter B becomes the letter Y, and so on.

   ABCDEFGHIJKLMNOPQRSTUVWXYZ ↔ ZYXWVUTSRQPONMLKJIHGFEDCBA

   Hello, world! ↔ Svool, dliow!