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[met-uh-lang-gwij] /ˈmɛt əˌlæŋ gwɪdʒ/
any language or symbolic system used to discuss, describe, or analyze another language or symbolic system.
Origin of metalanguage
1935-40; meta- + language Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for metalanguage


a language or system of symbols used to discuss another language or system See also formal language, natural language Compare object 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
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metalanguage in Technology

1. [theorem proving] A language in which proofs are manipulated and tactics are programmed, as opposed to the logic itself (the "object language"). The first ML was the metalanguage for the Edinburgh LCF proof assistant.
2. [logic] A language in which to discuss the truth of statements in another language.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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