Definition from macmillandictionary.com
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The message was written in code.
She worked at Bletchley Park, where they cracked the Enigma codes.
Even criminals have their own code of honour.
The death penalty is no longer allowed under France’s penal code.
Managers are expected to comply with the company’s code of conduct.
The shirt comes in eight colours, each identified by a two-letter code.
Write the order code in this box.
She punched in a five-digit security code.
the genetic code