1. The vocabulary or set of words of a language, language variety, or individual speaker.
Usage: Linguistics term; often used in academic or technical contexts.
2. The total stock of words and phrases available in a language or used by a particular person or group.
Usage: Formal; closely related to lexicon.

Examples

• The lexis of Shakespearean English differs significantly from modern English.
• A child's lexis expands rapidly during the early school years.
• The technical lexis of medicine includes many Latin-derived terms.
• Linguists study the lexis of different dialects to understand regional variation.
• Understanding the lexis of a language is essential for fluent communication.