1A business discussion or negotiation (usually about deals, terms, or transactions); often used with the verb 'suru'.
来週、顧客と商談の予定が入っている。
I have a business meeting/negotiation with a client next week.
商談が長引き、契約の調整に時間がかかった。
The negotiations dragged on and it took time to finalize the contract terms.
価格について何度も商談を重ねた。
We held several negotiations about the price.