Assuming you meant '...two languages' - the person would be called bi-lingual.
A polyglot - a person who knows and/or uses several languages. From the Greek for many (poly) and tongue (glotta).
There are two main types of bilingualism: compound bilingualism, where a person acquires two languages simultaneously and uses them together in the same contexts, and coordinate bilingualism, where a person acquires two languages at different times and uses them in different contexts.
Polyglot- One who knows many languages. These other definitions come from Wikipedia under the term Polyglot: * Multilingualism, a single speaker who uses two or more languages, or a community of speakers where two or more languages are used * Hyperpolyglot, one who can speak six or more languages fluently
A person who speaks many languages is called a polyglot. Multilingual ie a multilingual person speaks many languages
a person who speaks 4 languages is called a quadlanguale
multilinguist, polyglot; use dictionary.com for more reference
A person who can speak two languages is called a bilingual.
A "polyglot" is someone who knows several languages.
This site uses English.
A linguist is someone who studies languages. Apolyglot is someone who speaks more than 2 languages.
If the person is bilingual, then that person can speak, write and research in two languages. A multilingual person can speak as many languages that he/she has learned.
It doesn't mean anything except the fact that they are speaking their language. All languages have slang and idioms. It means that they are using saying from their dialect.