Legal Definition
An optionee is a party to a legal option, typically an option to acquire or sell a specific asset, usually a contract or property. In the context of securities law or contract law, the optionee is the person who has the right, granted by a contract, to exercise that option.
Plain-English Translation
Imagine you have a special 'option'—like a right to buy something for a specific price. The 'optionee' is the person who holds that right; they are the one who gets to decide whether or not to take that action.