occasional furniture: smaller furniture items, such as side tables and chests, that are used as accents.

ogee: with the shape of an elongated S.

Oriental rug: rug comprised of knotted tufts, often made of wool, with complex, intricate patterns. Originating in the Middle East or Asia

ottoman: an upholstered low seat or cushioned footstool.

overlay: a decorative surface that is appliquéd or veneered, rather than inlayed.