• noun:   a writ from a court commanding police to perform specified acts
• noun:   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

  Example: "As a sweetener they offered warrants along with the fixed-income securities"

• noun:   a written assurance that some product or service will be provided or will meet certain specifications
• noun:   formal and explicit approval
• verb:   stand behind and guarantee the quality, accuracy, or condition of

  Example: "The dealer warrants all the cars he sells"

• verb:   show to be reasonable or provide adequate ground for

  Example: "The emergency does not warrant all of us buying guns"

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