clothesline

Short definition from Wiktionary

Noun

1. 1
   A rope or cord tied up outdoors to hang clothes on so they can dry.
2. 2
   A structure with multiple cords for the same purpose, such as a Hills hoist.
3. 3
   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

1. 1
   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.