lexicon

noun

1. The vocabulary of a language.

   “Formalism seeks to correct this deficiency by translating verbal texts into formal, mathematizable lexicons which are then manipulated into general propositions.”

2. A dictionary that includes or focuses on lexemes.

   “Sluiter examines a tension inherent in such scholarly works as lexica, scholia, epitomai, and commentaries: although the very titles of these works claim no more than secondary status, their authors engage nonetheless in a rhetoric of self-legitimation.”

3. A dictionary of Classical Greek, Hebrew, Latin, or Aramaic.
4. The lexicology of a programming language. (Usually called lexical structure.)
5. (rare)Any dictionary.
6. The vocabulary used by or known to an individual. (Also called lexical knowledge.)
7. A set of vocabulary specific to a certain subject.

   “the baseball lexicon”

   “Turns, twists, walks, runs, falls, and somersaults, along with many other movements, are the specific vocabularic elements which make up the lexicon of dance.”

8. A set of vocabulary specific to a certain subject.

   “a baseball lexicon”

verb

1. (transitive)To add to a lexicon.

   “Vocab-wise, medalling and PB-ing are now totally part-and-parcelled, and most experts in South Korea believe podiumed, finalled and all-comered are not far off lexiconing.”

2. To shorten a soundtrack to fit a shortened version of a movie.

   “Mrazek’s legislation would discourage time compression, a technique used to speed up a movie, and “lexiconing,” a process of altering the soundtrack to match the shorter, compressed version.”