noun, noun or participle which takes 'suru', intransitive verb
accommodation; lodging; staying overnight
General term for staying overnight at a hotel, inn, or similar facility. Often used in compound nouns like 宿泊施設 (accommodation facilities) and 宿泊料 (lodging fee).
旅行のときは、いつもビジネスホテルに宿泊する。
When I travel, I always stay at a business hotel.
宿泊
You can easily make a lodging reservation online.