[{"Bold_text": "noun", "List Items": ["a line bounding or marking off an area:The police created a perimeter with caution tape around the crime scene.", "the outermost limits:Under the new regulations, the smoke-free area for playgrounds and sports areas extends 20 meters from the perimeter of each site.", "Geometry.the border or outer boundary of a two-dimensional figure.the length of such a boundary.", "the border or outer boundary of a two-dimensional figure.", "the length of such a boundary.", "Military.a fortified boundary that protects a troop position.", "Ophthalmology.an instrument for determining the peripheral field of vision.", "Oftenthe perimeter.Basketball.Also calledthree-point line.a semicircular line on a basketball court surrounding the basket, outside of which field goals are worth three points rather than two. three-pointer(def) three-pointer(def).the area outside this line (often used attributively):There's no player in the NBA who puts more pressure on opposing defenses from the perimeter than him.The team needs an efficient point guard with a great perimeter shot.", "Also calledthree-point line.a semicircular line on a basketball court surrounding the basket, outside of which field goals are worth three points rather than two. three-pointer(def) three-pointer(def).", "the area outside this line (often used attributively):There's no player in the NBA who puts more pressure on opposing defenses from the perimeter than him.The team needs an efficient point guard with a great perimeter shot."]}]