A large retail store selling a wide variety of goods in different departments.
週末に百貨店で買い物をした。
I went shopping at the department store on the weekend.
あの百貨店は駅のすぐ近くにある。
That department store is right near the station.
I bought some souvenir sweets in the department store's food hall.
I was surprised by the news that the long-established department store was closing down.