Fleissner grille

noun
Fleiss·ner grille | \ˈflīsnə(r)-\

Definition of Fleissner grille 

: a square grille designed to be reconstructed from a key word and used for cryptographic transposition without cover text and to be rotated 90 degrees on the paper whenever the spaces are exhausted so that a solid block of transposed ciphertext is produced after four successive turns or sometimes when reversal of the grille is provided for after eight turns

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History and Etymology for Fleissner grille

after Eduard Fleissner von Wostrowitz, Austrian cryptographer

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Dictionary Entries near Fleissner grille

fleid

fleishig

fleishigs

Fleissner grille

fleme

Fleming

Fleming valve

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evasion of direct action or statement

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