a: a commission or document giving authority to do something; especially: a writing that authorizes a person to pay or deliver to another and the other to receive money or other consideration
b: a precept or writ issued by a competent magistrate authorizing an officer to make an arrest, a seizure, or a search or to do other acts incident to the administration of justice
c: an official certificate of appointment issued to an officer of lower rank than a commissioned officer
d (1): a short-term obligation of a governmental body (as a municipality) issued in anticipation of revenue (2): an instrument issued by a corporation giving to the holder the right to purchase the stock of the corporation at a stated price either prior to a stipulated date or at any future time
Middle English waraunt protector, warrant, from Anglo-French warant,garant, of Germanic origin; akin to Old High German werēnto guarantor, werēn to warrant; akin to Old High German wāra trust, care — more at very
In law, authorization in writing empowering a person to perform an act or execute an office. Arrest warrants are necessary (except in certain circumstances) for an arrest to be considered legal. Search warrants entitle the holder to enter and search a property. Both are classes of judicial warrants. To obtain them, a complainant must provide an affidavit setting forth facts sufficient to satisfy the belief that a crime has been committed and that the accused is the guilty party (or, in the case of the search warrant, that the place to be searched will yield the expected evidence). Nonjudicial warrants include tax warrants (which provide the authority to collect taxes) and land warrants (which entitle the holder to a specific tract of public land).