stock warrant

definition: a written certificate that gives the holder the right to purchase shares of a stock for a specified price within a specified period of time
example:
speech part: noun
synonyms:
definition: 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:
speech part: noun
synonyms: warrant

How stock warrant is being used?