1. A company that makes nifty
audio effects, like the
Vortex .
2. Also, in the context of knowledge bases, a lexicon is a component that maps between words and their underlying meanings.
For example, if a knowledge base with a lexicon contained the concepts STAGE-MAGIC (meaning magic tricks performed for entertainment) and SPIRITUAL-MAGIC (meaning acts in which a practitioner actually (ahem) alters reality by force of will), the lexicon would associate the word "magic" with both of those concepts.