2 example sentences using metalanguage.
Metalanguage used in a sentence
Metalanguage in a sentence as a noun
I mean, yes, the biggest win of lisp over other languages is that the metalanguage is the language.
* It might be helpful to discuss metalanguage: direct objects, word order, verb transitivity, nouns vs verbs, parsing, etc.
Metalanguage definitions
noun
a language that can be used to describe languages