Open English Wordnet
Nouns
(n)warrant, stock warrant, stock-purchase warranta 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”
(n)stock warranta written certificate that gives the holder the right to purchase shares of a stock for a specified price within a specified period of time