writ

n. legal order; written document

v. make letters or symbols on a surface with a sharp tool; inscribe

In law, a writ is a formal written order issued by a body with administrative or judicial jurisdiction. In modern usage, this public body is normally a court.  Warrants, prerogative writs, and subpoenas are types of writs, but there are many others.
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WRIT-FM (95.7 FM) is a radio station in Milwaukee, Wisconsin, owned by Clear Channel Communications. As of September 5, 2006, "My 95.7" programs a classic hits format, featuring pop music and oldies from the 1960s, 1970s and 1980s. Their slogan is "The Greatest Top 40 Hits of All Time."
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Noun
1. (law) a legal document issued by a court or judicial officer
(synonym) judicial writ
(hypernym) legal document, legal instrument, official document, instrument
(hyponym) court order
(classification) law, jurisprudence

imp. & p. p. of Write.
  

(obs.)
3d pers. sing. pres. of Write, for writeth.
  

(n.)
That which is written; writing; scripture; -- applied especially to the Scriptures, or the books of the Old and New testaments; as, sacred writ.
  

(n.)
An instrument in writing, under seal, in an epistolary form, issued from the proper authority, commanding the performance or nonperformance of some act by the person to whom it is directed; as, a writ of entry, of error, of execution, of injunction, of mandamus, of return, of summons, and the like.
  

(Archaic imp. & p. p.)
of Write
  

An official court document, signed by a judge or bearing an official court seal, which commands the person to whom it is addressed, to do something specific. - (read more on Writ)