noun
rental fee; rent; hire charge
Refers to the money paid for renting or hiring something, such as equipment, a vehicle, or a space. Not typically used for real estate rent (家賃 is more common for that).
自転車の借り賃は一日五百円です。
The rental fee for a bicycle is 500 yen per day.
借り賃が高いので、買ったほうが安いかもしれない。
The hire charge is high, so it might be cheaper to buy it.
Compound of 借り (kari, 'borrowing') and 賃 (chin, 'fee, wages'). The reading かりちん is a straightforward combination of the kun'yomi of 借りる and the on'yomi of 賃.