
1) Cleaning tool
Found on
https://www.crosswordclues.com/clue/posser

A posser was historically a tool used for possing or mixing laundry while hand washing it. Possers come in various forms, there is usually a vertical pole with a handle bar at the top but the base can be conical, with three (or more) legs or sometimes a flat disk. As hand washing has been replaced by electric and mechanical washing machines, words...
Found on
http://en.wikipedia.org/wiki/Posser

Maiden: A wooden instrument consisting of a long handle with wooden feet, by means of which clothes are stirred about in a washing tub. (Also known as a Peggy, Posser or Posher) Maidening Tub: A deep vessel for washing clothes. (Also known as Maiden Pot, Maidening Pot or Peggy Tub) Poss: To push with the head as a claf does. Clothes in a maiden-pot...
Found on
http://www2.shu.ac.uk/sfca/glossary.cfm
No exact match found.