Lexicon
ˈlɛk sɪˌkɒn,
Definition
noun
1. A specialized dictionary.
2. The specialized vocabulary of a particular topic or profession.
Synonyms
dictionary, glossary, wordbook
Antonyms
disarrangement, vernacular
Sentences
Using a lexicon of Grey Elvish, the language of the Eledhrim of Beleriand, I was able to translate fragments of The Silmarillion into Sindarin.
However, due to the limited amount of published resources, the Sindarin lexicon has not grown much since it was first recorded by Tolkien.
Video
This guy has got his own specialized vocabulary.
Monty Python - Spam