Urdu Definition

o͝ordo͝o, ûr-

noun

An Indo-Aryan language of Pakistan and N India, having the same basic grammar as Hindi but containing many words derived from Persian and Arabic: it is written in Arabic characters and is the official language of Pakistan.

Webster's New World

pronoun

An Indo-Iranian language with native speakers mainly in Pakistan and North India.

Wiktionary

adjective

Of or relating to the Urdu language.

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Origin of Urdu

Urdu urdū short for zabān-i urdū Persian zabān language, tongue Persian -ī of the Persian urdū camp, court (from Old Turkic ordu residence, court)

From American Heritage Dictionary of the English Language, 5th Edition
From Persian اردو (ordu), from Turkic *ordu (“army, camp") (> Azeri ordu, Turkish ordu, Turkmen oorda). Compare horde.

From Wiktionary