Polyglot

Polyglot has several meanings: Template:Wiktionary

The property of speaking multiple languages
A polyglot is a person that can speak many languages
A polyglot is a book that contains the same text in more than one language, usually a Bible such as the Complutensian Polyglot Bible
A polyglot is a language that is a combination of other languages
A polyglot is a computer program that is valid in more than one programming language
Polyglot may also refer to an amalgam of languages, such as those created when groups of people who speak different languages spend extended periods of time together. (see: Pidgin)
The term linguist is often mistakenly used to refer to a polyglot. Technically, a linguist is someone knowledgeable about the scientific study of language, linguistics.