free throw lane
the rectangular area, 19 feet (5.7 meters) long and usually 12 or 16 feet (3.6 m or 4.8 meters) wide, extending from the end line behind each backboard to the foul line and along the sides of which players line up during a foul shot.
Origin of free throw lane
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019