From Longman Dictionary of Contemporary Englishmini-barˈmini-bar (also minibar) /ˈmɪnibɑː $ -bɑːr/ noun [countable] a small fridge in a hotel bedroom, in which drinks are kept
Examples from the Corpus
mini-bar• The rooms are well furnished and bedrooms have telephone, radio and mini-bar.• Bedrooms have mini-bar and safety deposit box.• Twin rooms have mini-bar and small balcony and some have a side sea view.• Superior twin rooms have a front sea view, mini-bar and air-conditioning when necessary.• All the bedrooms are equipped with mini-bar and direct-dial telephone. 