(Canada, US, informal, transitive) To knock (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.

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

simple past tense and past participle of clothesline

plural of clothesline

present participle of clothesline