Definitions of warrant
(also: share warrant) a document allowing the holder to buy shares at a particular price or before a particular date
The warrants have an exercise price of $2.19 per share of common stock and are exercisable beginning 181 days after the closing date of the offering.
a document that allows the holder to receive goods, money or services etc
My brother has been given a travel warrant by his college to go for an apprenticeship interview in two weeks.
an official document, usually signed by a judge, giving police permission to make an arrest or a search or do other acts as part of the administration of justice
A Spanish judge issued an international arrest warrant Wednesday, charging three US soldiers with murder in the death of a Spanish television cameraman.