money order

official document for payment of a specified sum of money, issued by a bank or Post Office 汇票; 汇款单.

momentary, momentous, momentum, momma, Mon, mon(o)-, monarch, monarchic, monarchism, monarchist, monarchy, monastery, monastic, monasticism, monaural, Monday, monetarism, monetarist, monetary, money, money-back, money-bags, money-box, money-changer, money-grubber, money-grubbing, money-lender, money-maker, money-making, money-market, money-spinner, moneyed, moneyless, monger, mongol, mongolism, mongoose, mongrel, monitor, monk,