Pronunciation: (op'shun),[key] —n. 1. the power or right of choosing.
2. something that may be or is chosen; choice.
3. the act of choosing.
4. an item of equipment or a feature that may be chosen as an addition to or replacement for standard equipment and features: a car with a long list of extra-cost options; a telephoto lens option for a camera. 5. See stock option. 6. a privilege acquired, as by the payment of a premium or consideration, of demanding, within a specified time, the carrying out of a transaction upon stipulated terms; the right, as granted in a contract or by an initial payment, of acquiring something in the future: We bought one lot and took a 90-day option on an adjoining one. 7. Football.a play in which a back has a choice of either passing or running with the ball.
—v.t. 1. to acquire or grant an option on: The studio has optioned his latest novel for film adaptation. 2. to provide with optional equipment: The car can be fully optioned at additional cost.