rail fence

(redirected from Rail Fence Cipher)
Also found in: Dictionary, Thesaurus, Wikipedia.

rail fence

A fence in which the rails are set into the posts; adjoining rails either butt against each other or overlap. Also called a zigzag fence.
References in periodicals archive ?
To send the answer to this riddle, you tell your friend you'll use a rail fence cipher with two "rails" (or rows) on the fence.
Next I try a rail fence cipher with two "rails" or rows.