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English definition of “code”

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code

noun uk   /kəʊd/ us    /koʊd/

code noun (LANGUAGE)

B2 [C or U] a system of words, letters, or signs used to represent a message in secret form, or a system of numbers, letters, or signals used to represent something in a shorter or more convenient form: The message was written in code. She managed to decipher/break/crack (= succeed in understanding) the code. Each entry in this dictionary has a grammar code.
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code noun (RULES)

C1 [C] a set of rules that are accepted as general principles, or a set of written rules that say how people in a particular organization or country should behave: Clinics will be subject to a new code of conduct and stronger controls by local authorities. [C] a set of principles that are accepted and used by society or a particular group of people: a moral code a code of behaviour/ethics
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code noun (GENES)

specialized medical [C or U] an arrangement of genetic material in DNA (= the chemical that carries genetic information in cells): genetic codes

code

verb [T] uk   /kəʊd/ us    /koʊd/
to represent a message in code so that it can only be understood by the person who is meant to receive it
(Definition of code from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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