1. A set of rules, principles or laws (especially written ones)
   "The company adhered to a strict dress code";
   - codification
    
2. A coding system used for transmitting messages requiring brevity or secrecy
   "The spies communicated using a complex code"
    
3. (computing) the symbolic arrangement of data or instructions in a computer program or the set of such instructions
   "The programmer spent hours debugging the computer code";
   - computer code
    
4. A series of letters, numbers or symbols assigned to something for the purpose of classification or identification
   "Each product was labelled with a unique code"

1. Attach a code to
   "Code the pieces with numbers so that you can identify them later"
    
2. Convert ordinary language into code
   "They coded the message before transmitting it"; "They wrote in code the message before transmitting it";
   - encipher, cipher, cypher, encrypt, inscribe, write in code
    
3. Create code, write a computer program
   "She writes code faster than anybody else";
   - write

Derived forms: coding, codes, coded

Type of: black and white, coding system, create by mental act, create mentally, encode, label, mark, marker, marking, tag, written communication, written language

Encyclopedia: Code, Keith