slipcover
/ˈslɪpkʌvər/Definitions
1. noun
A removable covering for a piece of furniture, especially a sofa or armchair, typically made of fabric.
“She put a slipcover on the armchair to protect it from stains.”
2. verb
To cover a piece of furniture with a slipcover.
“She chose to slipcover the sofa before the party to make it look more elegant.”