stock option

(noun) the right to buy or sell a stock at a specified price within a stated period. Synonyms: stock option.

(noun) a benefit given by a company to an employee in the form of an option to buy stock in the company at a discount or at a fixed price. Synonyms: stock option. Example: "Stock options are not much use as an incentive if the price at which they can be exercised is out of reach."