Latin

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Latin the language of ancient Rome and its empire, widely used historically as a language of scholarship and administration.

Latin is a member of the Italic branch of the Indo-European family of languages. After the decline of the Roman Empire it continued to be a medium of communication among educated people throughout the Middle Ages in Europe and elsewhere, and remained the liturgical language of the Roman Catholic Church until the reforms of the second Vatican Council (1962–5); it is still used for scientific names in biology and astronomy. The Romance languages are derived from it.
Latin Church the Christian Church which originated in the Western Roman Empire, giving allegiance to the Pope of Rome, and historically using Latin for the liturgy; the Roman Catholic Church as distinguished from Orthodox and Uniate Churches.
Latin cross a plain cross in which the vertical part below the horizontal is longer than the other three parts.
Latin square an arrangement of letters or symbols that each occur n times, in a square array of n2 compartments so that no letter appears twice in the same row or column.

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