A payment method in which a purchase is paid in monthly installments; monthly installment plan.
新しい自転車を月賦で買ったので、毎月支払いがある。
I bought a new bicycle on a monthly installment plan, so I have payments every month.
契約書には支払い方法は月賦と記載されていた。
The contract specified that the payment method was monthly installments.
月賦は利息や手数料がかかる場合があるので確認しよう。
Monthly installment plans may carry interest or fees, so check them carefully.