(telecommunications) A character code represented by dots and dashes (or short and long pulses), originally used to send messages by telegraph, later by flashes of light or by radio.

(computing) To build absolute and unchangeable values into a program such that they can only be changed by modifying the source code.

A set of rules dictating acceptable behaviour and decisions in a specified environment.

(Britain) a set of rules and regulations aimed at tourists visiting the countryside

Alternative form of codetalker

A set of guidelines and regulations to be followed by members of some profession, trade, occupation, organization etc.; does not normally have the force of law.

A typically alphanumeric sequence that permits access to a secure service or network.

(US) A postal code, especially for addresses served by the US Postal Service, consisting of a five- or nine-figure number. / (US, by extension) Any postal code.

(transitive) To provide with, or allocate to, a zip code.

(programming, informal, derogatory) Unstructured or poorly structured program source code; especially code with many GOTO statements (or their equivalent).