### Clue: Cover quiet prostitute in coat (9)
### Answer: UPHOLSTER 
 ### Explanation: Definition: Cover
 [ P(abbrev. for "piano", musical direction to play quietly) + HO(African American slang for "prostitute", derived from "whore") ] **contained in**(in) ULSTER(a type of overcoat, so called because it was first produced in Northern Ireland).
Answer: To cover tightly with fabric, eg. furniture.