godan verb (-ru), transitive verb
reserve exclusively; charter; hire for private use
Used when renting a facility, vehicle, or space for one's own group, excluding others. Common for venues, buses, and boats.
結婚式のためにホテルの宴会場を借り切った。
We reserved the hotel banquet hall exclusively for the wedding.
観光バスを一日借り切って、市内を回った。
We chartered a sightseeing bus for the day and toured the city.