code UK /kəʊd/US /koʊd/noun 13verb 7forms 3phrases 1 noun13 •a set of rules for putting information into a different form, such as letters into numbers •Instructions for a computer, written in a programming language; the input of a translator, an interpreter or a browser, namely: source code, machine code, bytecode.Object-oriented C++ code is easier to understand for a human than C code.I wrote some code to reformat text documents. •A program. •A body of law, sanctioned by legislation, in which the rules of law to be specifically applied by the courts are set forth in systematic form; a compilation of laws by public authority; a digest.the mild and impartial spirit which pervades the Code compiled under Canute — 1872 •Any system of principles, rules or regulations relating to one subject.The medical code is a system of rules for the regulation of the professional conduct of physicians.The naval code is a system of rules for making communications at sea by means of signals. •(informal) A set of unwritten rules that bind a social group. •A cryptographic system using a codebook that converts words or phrases into codewords. •A short textual designation, often with little relation to the item it represents.This flavour of soup has been assigned the code WRT-9. •A message represented by rules intended to conceal its meaning.[Isaac Newton] was obsessed with alchemy. He spent hours copying alchemical recipes and trying to replicate them in his laboratory. He believed that the Bible contained numerological codes. — 2014 •A codeword, code point, an encoded representation of a character, symbol, or other entity.The ASCII code of "A" is 65. •An emergency requiring situation-trained members of the staff. •(Australia) A sport or league of a specific type of football, such as rugby league or the NRL •A particular lect or language variety. verb7 •To write software programs.I learned to code on an early home computer in the 1980s. •To encode.We should code the messages we send out on Usenet. •To add codes to (a data set).The resulting citation collection was databased and coded for meaning, etymon, and date range (earliest and latest occurrence found). — 2018 •To categorise by assigning identifiers from a schedule, for example CPT coding for medical insurance purposes. •To encode a protein. •(informal) Of a patient, to suffer a sudden medical emergency (a code blue) such as cardiac arrest. •(informal) To call a hospital emergency code. formscoded · coding · codes Phrases with code code upTo create by coding or programming.