ottoman

n long cushioned seat without a back or arms, often used as a box for storing things (eg sheets and blankets) （有垫的）长凳（常兼作放床单、 毯子之物的箱子）.

ostentatious, ostentatiously, osteo-arthritis, osteopath, osteopathy, ostler, ostracism, ostracize, ostracize, ostracise, ostrich, OT, other, other from, other than, other-directed, other-worldly, others, otherwise, otiose, otter, OU, oubliette, ouch, ought, ought to, Ouija, ounce, our, ours, ourselves, oust, out, out of, out of breath, out of control, out of danger, out of date, out of debt, out of doors, out of favour,