Definition of "lexis" in Englisch

noun

1. (linguistics) The set of all words and phrases in a language; any unified subset of words from a particular language.

2. (pedagogy, TEFL) Words, collocations, and common phrases in a language; vocabulary and word combinations.

3. The vocabulary used by a writer.

   • In this broadsheet newspaper, the reporter uses a complicated and formal lexis which I find hard to understand.