Furniture was a collective term for movable objects which may support a being's body, provide storage, or hold objects above the ground. Some examples of furniture were chairs, tables, beds, and lamps.
Usage
Legarans preferred no furniture and no (wall) decoration. (TNG: "Sarek")
An El-Aurian nickname for young children who enjoyed pouncing on furniture was a "jumper". (TNG: "Rascals")
After Chief Miles O'Brien "stored" "Pup" in a subprogram, Commander Sisko told him to keep "pup" away from the furniture. (DS9: "The Forsaken")
A Klingon crew who visited Quark's Bar damaged holosuite six and the furniture of the bar. (DS9: "Dramatis Personae")
Dax rearranged the furniture in Odo's room while he was regenerating as a practical joke. (DS9: "Homefront")
Organic
Aaamazzarites created their furniture biochemically from inside their own bodies. (The Making of Star Trek The Motion Picture)
Gomtuu, a living spaceship, could grow furniture from its walls and floors. (TNG: "Tin Man")