METALANGUAGE
Meaning of METALANGUAGE in English
met ‧ a ‧ lan ‧ guage /ˈmetəˌlæŋɡwɪdʒ/ BrE AmE noun [uncountable and countable]
words that are used for talking about or describing language
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012