Oxford Dictionary English loose cover nounnoun BrE BrE//ˌluːs ˈkʌvə(r)// ; NAmE NAmE//ˌluːs ˈkʌvər// (British English) (North American English slipcover) [usually plural] Add to my wordlistjump to other resultsa cover for a chair, etc. that you can take off, for example to wash itCheck pronunciation: loose cover oxfordlearnersdictionaries.com