Noun: lexicon 'lek-su,kón or 'lek-si-kun
- A reference work containing a list of words in alphabetical order, giving their meaning, translation and/or other information
"She consulted the lexicon to find the precise definition of the word";
- dictionary
- A language user's knowledge of words
"A person's mental lexicon expands as they learn new vocabulary";
- vocabulary, mental lexicon, vocab [informal]
Derived forms: lexicons
Type of: cognition, noesis [technical], wordbook
Encyclopedia: Lexicon