noun
commission; brokerage fee
Refers to a fee paid to a broker or agent for facilitating a transaction. Common in business and financial contexts.
不動産の売買では、仲介業者に口銭を支払う。
In real estate transactions, you pay a commission to the broker.
口銭は取引額の3パーセントです。
The brokerage fee is 3 percent of the transaction amount.