1. (

• warrant

) a writ from a court commanding police to perform specified acts ;

2. (

• warrant ,
• stock_warrant ,
• stock-purchase_warrant

) a type of security issued by a corporation (usually together with a bond or preferred stock) that gives the holder the right to purchase a certain amount of common stock at a stated price; "as a sweetener they offered warrants along with the fixed-income securities" ;

3. (

• sanction ,
• countenance ,
• endorsement ,
• indorsement ,
• warrant ,
• imprimatur

) formal and explicit approval; "a Democrat usually gets the union's endorsement" ;

4. (

• guarantee ,
• warrant ,
• warrantee ,
• warranty

) a written assurance that some product or service will be provided or will meet certain specifications ;

1. (

• warrant

) provide adequate grounds to justify (a certain course of action); "The emergency does not warrant all of us buying guns" ;

2. (

• guarantee ,
• warrant ,

) stand behind and guarantee the quality, accuracy, or condition of; "The dealer warrants all the cars he sells"; "I warrant this information" ;