noun A rope or cord tied up outdoors to hang clothes on so they can dry.
Hang this towel out on the clothesline for me.
noun A structure with multiple cords for the same purpose, such as a Hills hoist.
noun The act of knocking a person over by striking his or her upper body or neck with one's arm, as if he or she had run into a low clothesline.
verb To knock (a person) over by striking them across the neck or upper body with an outstretched arm, mimicking the motion of running into a low clothesline.
The referee called a personal foul, when he clotheslined the running back.