From Longman Dictionary of Contemporary Englishroof-rackˈroof-rack noun [countable] British English TTCa metal frame fixed on top of a car and used for carrying bags, cases etc SYN luggage rack American English
Examples from the Corpus
roof-rack• Bulkier things like sofas can be delivered or whisked away on a rented roof-rack.• Ten minutes seemed to make little difference, with the jerry-cans still discernible on the roof-rack.