1. a line from which basketball players take penalty shots • Hypernyms: line • Part Holonyms: key, paint 2. a line across a bowling alley that a bowler must not cross • Hypernyms: line • Part Holonyms: bowling alley, alley, skittle alley 3. lines through 1st and 3rd base indicating the boundaries of a baseball field • Hypernyms: line • Part Holonyms: ball field, baseball field, diamond