key card — At the Hotel key card /ˈkiː kɑːd/ noun CEFR A2 A plastic card used to open a hotel room door. “Use the key card to open your room.” Related words in this scene hotelreceptionreceptionistroomkeybookingreservationgueststaffmanagerlobbybedbathroomtowelshowerbreakfastcheck-outfloorliftcorridorminibarwardrobepillowblanketwake-up callporterviewsafebalconymaidkeycard Practice this word Create worksheet