monthly installment; monthly payment
Refers to paying for something in fixed monthly amounts, often for large purchases like appliances or furniture. Synonymous with 月払い (つきばらい), but 月賦 is slightly more formal and commonly used in contracts.
See also: 月払い
I bought the refrigerator on monthly installments.
The monthly payments will be finished this month.
I bought a new refrigerator on monthly installments.
I pay a monthly installment on my car every month.
I arranged to pay for the TV in monthly installments.