地ち階かいちかいFreq.FrequencyTop 50,000Meanings1nounbasement; cellarRefers to a floor below ground level in a building, used for storage, parking, or commercial space.このビルの地ち階かいには駐ちゅう車しゃ場じょうがある。There is a parking lot in the basement of this building.地ち階かいの倉そう庫こに在ざい庫こを保ほ管かんしています。We keep the inventory in the basement storage room.