lexicon
🇺🇸
/ˈleksɪkɑːn/
🇬🇧
/ˈleksɪkən/
The complete set of words in a language or a subject, or all the words known or used by a person or group.
The lexicon of our club includes lots of slang terms and inside jokes.
A book or list of words on a specific subject, or in a language, arranged in alphabetical order.
She added several new words to her lexicon after reading the book on gardening.
A dictionary, usually of an ancient language like Greek or Hebrew.
The scholar consulted an ancient lexicon to understand the original texts better.