an invented language, as opposed to a hereditary one, intended for a special use, as in international communication, a secret society, or computer programming.
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Origin of artificial language
First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for artificial language
an invented language, esp one intended as an international medium of communication or for use with computersCompare natural language
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012