noun a broker.
2. upholster ·noun an upholsterer.
3. upholster ·vt to furnish (rooms, carriages, bedsteads, chairs, ·etc.) with hangings, coverings, cushions, ·etc.; to adorn with furnishings in cloth, velvet, silk, ·etc.; as, to upholster a couch; to upholster a room with curtains.