Longman Dictionary of Contemporary English
Wikipedia
A clothes horse, sometimes called a clothes rack, drying horse, clothes maiden, drying rack, drying stand, Frostick, airer, or (Scots) winterdyke, is a frame upon which clothes are hung after washing, indoors or outdoors, to dry by evaporation. The frame is usually made of wood, metal or plastic.
Usage examples of "clothes horse".
But it turns out Miss Harris is a pretty good clothes horse and Mike, who can talk the hind leg off a donkey, keeps her laughing in the taxi.
Waterhouse is hardly a clothes horse, but he can see at a glance that Chattan's uniform was not thrown together by Mummy in a few evenings in front of a flickering coal grate.
Anna divested herself of all but her underpants-lacy peach confections, the last vestige of a former clothes horse.
This cave was made with a clothes horse for a roof, bureaus for walls, and in it was a small furnace in full blast, with a black pot on it and an old witch bending over it.
One other item of clothing was left on the clothes horse, a whatchamacallit like Roberto Lauffer was wearing.