(basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court WordNet 3.0 & Open English WordNet

The key, officially referred to as the free throw lane by the National Basketball Association, the National Collegiate Athletic Association, the National Association of Intercollegiate Athletics, and the National Federation of State High School Associations, and the restricted area by the International Basketball Federation, is a marked area on a basketball court surrounding the basket, where much of the game's action takes place. Wikipedia

A restricted area around the basketball net Wikipedia Disambiguation

Term in basketball Wikidata

The free-throw lane together with the circle surrounding the free-throw line, the free-throw lane having formerly been narrower, giving the area the shape of a skeleton key hole. Wiktionary

The free-throw lane, construed with the. Wiktionary