Cilly Definition
noun
(cryptography, dated) Any predictable facet of the Enigma Machine cipher due to operator error or laziness, whose existence helped the Allies to break the code.
Wiktionary
Other Word Forms of Cilly
Noun
Singular:
cilly
Plural:
cilliesOrigin of Cilly
-
Uncertain; possibly a pun on silly and the letters CIL used as a cryptographic key.
From Wiktionary
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