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Noun: lexicon  'lek-su,kón or 'lek-si-kun
  1. 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
     
  2. 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

Part of: language, speech

Encyclopedia: Lexicon