mini-barn.
/ˈmɪnɪbɑː/, U.S. /ˈmɪniˌbɑr/ A small refrigerator in a hotel room containing a selection of alcoholic drinks (snacks, etc.) which, if consumed, are charged to the occupant's bill.
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the world > food and drink > drink > drinking > drinking place > [noun] > tap-room or bar > in hotel room
mini-bar1971
1971 Appleton (Wisconsin) Post Crescent 7 Feb. E6/3 Small doors in this wall swing open to reveal a mini bar and entertainment center.
1976 P. Larkin Let. 26 Apr. in Sel. Lett. (1992) 539 The best thing was a little ‘mini-bar’, a kind of locked drink-cupboard in my hotel room, with ice and everything.
1987 Los Angeles Times 20 Sept. vii. 6/1 Sometimes the mini-bar can be in two sections, with the refrigerator unit used for items that have to be kept cold and a separate drawer for non-refrigerated foods.
1991 Business Traveller Jan. 63/1 Each guest room is equipped with hairdryer, trouser press, minibar and satellite TV.
2000 Scotsman 7 Jan. 13/4 Perhaps Mr Yeltsin was rushing back to his hotel minibar when he made an early and abrupt departure from Yasser Arafat's banquet.
This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022).
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n.1971