The words diglot and polyglot are linguistic terms that come from Greek words meaning "two-tongued" and "many-tongued", respectively; they can also mean "language" rather than "tongued". When used as adjectives, they refer to people who speak more than one language. In this article, I'll be using them as nouns and refer to manuscripts and books which have more than one language. Most of the time, I'll use polyglot to refer to two or more...