1. 结账/退房时间：叫人按钮 room service button | 结账/退房时间 checkout time | 卡拉OK厅 karaoke hall

2. 结帐/退房时间：叫人按纽 room service buttom | 结帐/退房时间 checkout time | 客房服务生 chamber boy

3. 结帐、退房时间：叫人按钮 room service button | 结帐、退房时间 checkout time | 卡拉OK厅 karaoke hall

noun

1. the latest time for vacating a hotel room

e.g. the checkout here is 12 noon

Synonym: checkout