From Longman Dictionary of Contemporary Englishslipperslip‧per /ˈslɪpə $ -ər/ noun [countable] 
DCCa light soft shoe that you wear at home
DCCa light soft shoe that you wear at homeExamples from the Corpus
slipper• I would lose my glass slipper.• What could I do with her slippers?• Ralph launched his slipper across the room.• Richard took off his slippers and put on his black shoes again, and they went out.• He was, like Aziz the janitor, definitely wearing one shoe and one slipper.• This detail would have been immediately obvious had the slipper been made of glass.• The king announced that whoever fit into the slipper would get to marry the prince.Origin slipper (1400-1500) → SLIP1 