Definitionen
1.NounAny language—whether a human language, a programming language, or markup language—that is not a natural language.
2.NounA human language that has been consciously devised by an individual or a group, as opposed to having naturally evolved as part of a culture like a natural language.
3.NounAny language used by people, as opposed to less civilized means of communication, such as the socialization between animals.