Khiyar

(lit. Option, choice) the option extended to one or more of the parties in a sales contract to rescind the sale, upon the appearance of a defect, for example. The jurists have traditionally recognized several different types of khiyar, including khiyar al-ru`yah, khiyar al-`ayb, khiyar al-shart, khiyar al-majlis, khiyar al wasf.