Private Reservation
noun
The lending gets cut right away when you make a private reservation.
貸し切り means reserving a space exclusively, like renting out a restaurant for a birthday party or chartering a bus, cruise, or jet.
It's the reading of 貸す and 切る put together. Know those two readings and you know this one as well. Sometimes you'll see this word as 貸切り or 貸切 as well.
会社で飛行機を貸し切りにしてバミューダまで行きました。
Our company chartered a plane and we went to Bermuda.
東京ディズニーランドは時々芸能人貸し切りになる日があります。
Tokyo Disneyland sometimes has days reserved for celebrities only.
この宿には、貸し切りの温泉があります。
The inn has a private hot spring.